makernexuswiki - User contributions [en]

3D printed face shields

2020-03-27T04:21:44Z

DanClemmensen: /* Overview */ clarify. The shield itself is not 3D printed

[[File:Face shield front.jpg|200px]] [[File:Face shield side.jpg|350px]] [[File:Face shield top.jpg|350px]]

== Overview ==
Face shields are used by health care professionals to protect them when working with patients. Hospital supplies are running low. While they prefer to use commercially manufactured ones, in this emergency they are looking for alternative sources.

The headband portion of these shields is made on a 3D printer. If you have a 3D printer, you can make these. We have several at Maker Nexus that will be running as long as we have supplies. We need volunteers come in to service the printing. We also need volunteers to assemble the final shields. We will deliver them to local hospitals.

* [https://docs.google.com/forms/d/e/1FAIpQLSe5uMbl2USWKg6Qi6HovydA6lteBgnRsIBWnQcJaL4x6OdryQ/viewform Sign up to use your own 3D printer] to help
* [https://docs.google.com/forms/d/e/1FAIpQLSetfP2_-Wh7nZehMFQyFvElZALMGc7BLJZd_7HZfZqNEdoWoA/viewform Sign up to receive face shields] for your health care facility

[[MN COVID Response|Other COVID Projects]]

Watch a short [https://www.ktvu.com/news/covid-19-sunnyvale-company-designing-3d-protective-masks-to-meet-demand KTVU news report about our efforts.]

<span style="background:#00FF00">[http://www.makernexus.org/donate Donate via Paypal]</span> to support COVID-19 response efforts by Maker Nexus.

== Is there really a need? ==
* We've heard from friends that "nurses are cutting up plastic soda bottles to make face shields, using saran wrap on top of N95 masks to allow for multi-use."
* One local nurse said they are making face shields from cut up shower curtains and hot glue guns.

In reviewing the current design: "The nurses were over the moon about how easily the shields can be disassembled and sterilized."

We are ramping up to make 1,000 a week, maybe more.

If your health care facility needs face shields, fill in this form:

<span style="background:#00FFFF">[https://docs.google.com/forms/d/e/1FAIpQLSetfP2_-Wh7nZehMFQyFvElZALMGc7BLJZd_7HZfZqNEdoWoA/viewform?usp=sf_link My Facility Needs Face Shields]</span> (click the link)

== 3D Print Parts At Home ==

=== Use Your 3D Printer for good ===

==== Sign up ====
We are establishing a network of 3D printer owners who can make the headbands for us. You make them and deliver them to our facility where we do the assembly and get them to the hospitals. If you want to be part of our network, fill in this form and we will contact you:

<span style="background:#00FFFF">[https://docs.google.com/forms/d/e/1FAIpQLSe5uMbl2USWKg6Qi6HovydA6lteBgnRsIBWnQcJaL4x6OdryQ/viewform I want to help make them]</span>

==== Report your progress ====
If you've signed-up and started printing already:
[https://docs.google.com/spreadsheets/d/1Aoq7a0YbkPbGiMZGSxBgo0ySlgDWZHoaCvXc8sx9FU8/edit Keep us updated with your print progress].
Please request permission to access the file if you're prompted to, and we'll respond as quickly as we can.

=== What to do with the finished product ===
When you have parts ready to deliver, please follow the following steps:
# Seal in plastic bag.
# Label bag with version of face shield you printed, the material printed with (Currently RC2v1 is the most up to date part) and the date you closed the bag.
# Mail to
Maker Nexus
234 E. Carribean Drive
Sunnyvale, CA 94089
OR
Deliver to us if you are local and it does not violate the Shelter In Place Order - please do not make a special trip for this - but if you are passing by on your way to get essential groceries and want to drop it off, that is acceptable - there is a box outside our front door where donated parts can be placed.

Please be sure you are following proper sanitation procedures when you bag parts - if possible, wear gloves and a breathing mask, wipe or spray with disinfectant if available. We want to minimize the chance of cross-contamination. After it reaches MN, we will be further disinfecting them before delivering to its end destination.

We are not in a position to supply you with filament. If we are successful at raising more money for this program, then we might be able to give you a new reel when you drop off 20 face shield sets.

== 3D Print Directions ==

=== Materials ===

==== PETG filament Sources ====

These face shields are best done with PETG filament. A 1kg spool can make about 20 units.

* [http://matterhackers.com Matter Hackers]
** 3mm product id # MF3CF7NH 1kg about $25
** 1.75mm product id # M3MY2VQG 1kg about $24 (only $20 each if you buy 5)
** 1.75mm product id # MTVEPT25 10 pounds (4.5kg) about $185 It is a higher quality PETG filament, but is it really worth the extra cost?

==== PETG Sheet Sources ====

One 48x96 inch sheet can make about 24 shields.

* [http://www.piedmontplastics.com Piedmont Plastics] in San Leandro, CA. .020x48x96 CLR VIVAK PETG JFM about $16/sheet.

=== Instructions ===

==== Printer Settings ====

Print with PETG for ease of sanitation - IPA, Hydrogen Peroxide, Bleach, and Acetic Acid up to 10% can all be safely used with PETG.

Print settings:
* Temperature based on filament selection.
* 3 perimeters
* 100% infill
* 0.3mm Draft settings in PrusaSlicer work fine
* we are running our Prusa's at 130% speed

=== Parts ===
We are focusing production on the Prusa RC2 headband with some modification to reduce weight and center the mounting pins, based on feedback from medical professionals.
If your printer is large enough to print this design, PLEASE switch production to that. If your printer cannot accommodate that, RC1 pieces are still helpful. See below for details on each.

==== RC2 + MakerNexus extensions (PREFERRED) ====

The MakerNexus modifications [https://github.com/hzeller/prusa-covid19-shield-remix are on github].
Easiest is to download the release at https://github.com/hzeller/prusa-covid19-shield-remix/releases

This archive contains (next to the source files) the following files used used to print, which you also can download here:

* '''Ready-to-go''': [https://github.com/hzeller/prusa-covid19-shield-remix/raw/master/prusa-covid-shield-remix-print_shield_0.3mm_PETG_MK3S.gcode prusa-covid-shield-remix-print_shield_0.3mm_PETG_MK3S.gcode] '''GCode''' for MK3S printer for PETG 0.3mm, 3 shells, 30% infill; printing two headbands. You can use this directly in your Prusa MK3/MK3S printer. I change the print speed to 130% on the printer and the output is still excellent. Print time ~4:30h with 130% speed.
* '''modify print parameters''' [https://github.com/hzeller/prusa-covid19-shield-remix/raw/master/prusa-covid-shield-remix.3mf prusa-covid-shield-remix.3mf] '''3MF''' file to load in slicer. Contains support-material setup. It works in a [https://www.prusa3d.com/prusaslicer/ prusa-slicer] (I use version 2.2.0), but I got report that simplify3d has trouble interpreting the support material instructions.
* '''slice yourself''' [https://github.com/hzeller/prusa-covid19-shield-remix/raw/master/prusa-covid-shield-remix-print_shield.stl prusa-covid-shield-remix-print_shield.stl] The '''STL''' file. If you use this file in your slicer, you have to add support under the face-shield pins manually (there is also the prusa-covid-shield-remix-support_modifier.stl file which provides the exact block places where supports need to be if your slicer can use that).

==== Older Versions ====
===== RC2 : Prusa STL file =====
Pre-arranged to print 2 at one time.
* [[:media:covid19_headband_rc2_2x.stl|Prusa RC2 (x2)]] STL File
For other arrangements, here's the [https://www.prusaprinters.org/prints/25857-protective-face-shield-rc1 original Prusa design page].

====== G-codes ======
Direct gcode files for common printers (WIP):
* Prusa MK3S (Right click and select "Save link as". Then save as type ".gcode" -- instead of .txt -- before printing!):
** [[:media:CovidShield_RC2_2x_0.25mm_PETG_MK3S_6h17m.gcode.txt| RC2(x2) / PETG]]
** [[:media:CovidShield_RC2_2x_0.25mm_PLA_MK3S_5h56m.gcode.txt| RC2(x2) / PLA]]

===== RC1 : Older Prusa STL file =====
Pre-arranged to print 3 at one time.
* [[:media:COVID19 SHIELD R1 3x.stl|Prusa RC1 (x3)]] STL File
For other arrangements, here's the [https://www.prusaprinters.org/prints/25857-protective-face-shield-rc1 original Prusa design page].

== Laser Cut Parts ==

* [[:media:Faceshield-laser.svg|The SVG file for laser cutting the shield part]] SVG File

The shields are cut from 0.020 inch thick PETG sheets. Our base design fits into sheets of 24"x32". If we get donations of larger sheets, then we cut it down before using it.

== Elastic Band ==

Each shield uses approximately 8 inches of button hole elastic, 3/4 inch wide.

Sources
* [https://www.homesew.com/ Home Sew]

== Assembly ==

Assembly requires about 8" of 3/4 wide button hole elastic.

* A short video on [https://youtu.be/qKqDUExM4Q8 how to assemble the Maker Nexus face shield version RC2]

* The original design [https://www.prusaprinters.org/prints/25857-prusa-protective-face-shield-rc2 Prusa RC2 STL- On this page]

== Disassembly for cleaning ==

These face shields can be taken apart for cleaning.

The sheets are made of PETG and can handle alcohol and UV. The head band and spreader could be made of PETG, ABS, or PLA. These all resist alcohol but are heat sensitive. We are not experts in how to sanitize equipment. You, as user, take responsibility for appropriate sanitization.

A short video on [https://www.youtube.com/watch?v=F7FFPzGeRME how to take the Maker Nexus face shield apart]

== Help at MN ==
At this time we do not need volunteers in the makerspace itself. The space is on lockdown so that we do not introduce the virus into our work area.

=== Donations Needed ===
* PETG filament is useful - if you aren't able to print yourself. Any color in both 1.75mm and 3mm diameter filament. It should be in a factory sealed box or in a bag with desiccant.
* 3/4"-1" button hole elastic
* 0.020" thick PETG film for disposable masks, sheets or rolls

You can drop-off the donations at Maker Nexus, just leave it in the box by the front door of Maker Nexus. Please use appropriate procedures when packaging - including wearing a new pair of gloves and a face mask if available.

You can also donate via PayPal towards COVID-19 efforts that Maker Nexus is working on. [http://www.makernexus.org/donate Donate via Paypal] to support COVID-19 response efforts by Maker Nexus.

=== Who to contact ===
MN members join the #covid-faceshield channel on [https://www.makernexus.com/member-dashboard Slack]

If you don't have access to Slack, please email [mailto:faceshields@makernexus.org faceshields@makernexus.org]

== External Links ==

=== Information & Discussions ===
- [https://join.slack.com/t/prusafaceshields/shared_invite/zt-cz809azp-f41jGEYZivRKWH6IcYEmKw External slack for Prusa Shield discussions]

== Status ==
=== Capacity ===
* 5 Prusa 3D printers
** 1.75mm PETG
** each can make 8 shields a day
* 4 other type
** 3mm PETG
** each can make 3 a day
* 4 other type 2
** 3mm PETG
** each can make 3 a day
* Remote print capability
** What is our current capacity in the community? We are working that out now - so many people are volunteering!
* 3 Laser cutters
** The shields cut quickly and we are only limited by material sourcing
* Assembly is very quick, we can easily keep up

=== Supplies ===
As of 3/23/2020 1:15PM
* We have 1.75mm PETG reels to last through this week
* We are out of 3mm PETG and have more on order
* By the end of the day we will have enough PETG sheeting to make about 4,500 face shields
* We have 30 yards of button hole elastic, only enough for 135 face shields.

===Summary===
* If we have enough material we can make at least 65 face shields a day as of 3/23/2020.
* We currently have about 85 ready to be assembled (3/23/2020 1:15pm)
** We are waiting for final approval on the actual shield design from our health care provider partner.

Talk:Main Page

2019-10-26T17:23:07Z

DanClemmensen: change request for the mainpage

We need a link to the makernexus.org site near the top of the main page.

Talk:Maker Nexus Makerspace

2019-10-15T16:33:33Z

DanClemmensen: Edit request for the page. The page is edit-pritected.

We need a link from this page to [[Makerspace Equipment]]. Without such a link, ther is no obvious way to get to the equipment pages. -[[User:DanClemmensen|DanClemmensen]] ([[User talk:DanClemmensen|talk]]) 12:33, 15 October 2019 (EDT)

Barudan BEVT Elite Pro II 15-Thread Embroidery Machine

2019-10-15T16:29:19Z

DanClemmensen: /* Safety Specifics */

[[File:Barudan_cropped.jpeg|400px|thumb|BEVT Elite Pro II 15-Thread Embroidery Machine]]

== Description ==
[https://www.barudanamerica.com/ Barudan] single head machine, relatively simple for a professional system. Able to sew flats, caps and tubular goods.

=== Classes ===
''TBW''

=== Specifications ===
* LCD screen
* Radius Cylinder Arm
* Large Field Size
* 10 million stitch capacity in 30 patterns
* CF Card slot
* USB 1.1 Compatible
* Ethernet Interface (board required, MN does not have this option)
* Serial COM port (board required, MN does not have this option)
* Standby function
* Automatic detection of top and bobbin thread breaks
* Maximum Embroidery Area: 330X500MM
* Cap Frame: 79x360mm
* Frames Max: 330x438mm
* Needles: 15
* Stitch Length: .1~12.7mm
* Speed: 1300
* Bobbin size L

* ''Electrical spec: ''
::'''VOLT AC 100-240 V'''
::'''WATT 0.5 KW'''
::'''PHASE 1P &emsp; 50/60 HZ'''

<div class="toccolours mw-collapsible mw-collapsed">

===MN Asset Details===
<div class="mw-collapsible-content">
[[File:serialnumberplate.jpg|300px|thumb|right|toolname Serial Number Plate]]
* ''Location: '' '''where'''
* ''Model Number: '' '''BEVT-Z1501 CBII'''
* ''Serial Number: '' '''3117897G13'''
* ''MN Asset Number: '' '''mnAN'''
<br clear="all">
</div></div>

==Safety Specifics==
{{AllSafetyRulesApply}}

'''Industrial Embroidery Safety'''
* The big red button is a 'STOP' button for emergency use.
* Operate only from the front. Do not load work to the machine from the back side.
* Keep your hands and face away from needles, take-up lever, trimmer, shafts, pulley, belts, gears, moving frames or any moving parts during operation. Avoid rotating hook and belt.
* Do not operate without the protective covers for the shaft, pulley belt and gear in place.
* No long necklaces, bracelets near the working machine. This includes your Maker Nexus badge. Pin back hair and avoid loose clothes and long sleeves which can get caught in gears, etc.
* One person at a time should work the machine.

==Documentation==
[http://barudan.fr/wp-content/uploads/2014/07/BEVT_Instruction_Manual_EN.pdf Instruction Manual]

[https://www.barudanamerica.com/wp-content/uploads/2018/11/EliteProIILubrication.pdf Lubrication Instructions]

[https://www.barudanamerica.com/wp-content/uploads/2018/11/FZ0MR31-BEVT-Z1501CBII.pdf Parts List]

[https://www.youtube.com/results?search_query=BEVT-Z1501+CBII YouTube search results for Videos of the Z1501]

==Materials, Tooling, Accessories==
Maker Nexus has the following frames (hoops).

Standard frames:
* 120 mm round (4.72") (quantity: 2)
* 150 mm round (5.9") (quantity: 2)
* 180 mm round (7.1") (quantity: 2)
* 158x232 mm (6.2x9.1") (quantity: 1)
* 240x240 mm (9.4x9.4") (quantity: 1)
* 330x438 mm (13x17.2") (quantity: 2)
Clamp frames:
* 127x305mm (5x12") (quantity: 1)
* 140x165mm (5.5x6.5") (quantity: 1)
Cap frame:
* 79x360mm (3.1x14.2") (quantity: 2)

Note that the available embroidery area is smaller than the frame size because the embroidery foot must not strike the frame. Recommended margin is 10 mm (3/8") all around.

==Settings==
The default threads we have chosen for the Barudan are listed in the following table. The display colors for the LCD are configured to match these threads. If you change out threads for a project, you must restore to the standard threads when you are done. You should not change the display colors settings at all.

{|class="wikitable"
|-
!Needle || Thread
|-
|1 || Madeira Rayon 1002 Snow White
|-
|2|| Madeira Rayon 1007 Amber Black
|-
|3|| Madeira Polyneon 1811 Chrome
|-
|4|| Madeira Rayon 1041 Polished Pewter
|-
|5|| Madeira Rayon 1281 Radish
|-
|6|| Madeira Rayon 1110 Fuchsia
|-
|7 || Madeira Polyneon 1910 Florescent Strawberry
|-
|8|| Madeira Rayon 1278 Orange Icing
|-
|9|| Madeira Rayon 1171 Lemon Drop
|-
|10|| Madeira Polyneon 1850 Florescent Green2
|-
|11|| Madeira Rayon 1279 Tropical Teal
|-
|12|| Madeira Rayon 1076 True Blue
|-
|13||Madeira Rayon 1330 Bahamas Blue
|-
|14||Superior Metallics #009 Military Gold
|-
|15||Madeira Rayon 1082 Antique Ecru
|}

==Software==
Machine stitch files in the Barudan format can be loaded into the embroidery machine's memory from a USB key.
[https://www.wilcom.com/Products/TrueSizerProducts.aspx/ Wilcom TruSizer software] can be used to convert from most embroidery machine stitch file formats to the Barudan format. This software will also convert Wilcom embroidery design file formats (.emb and .art) to the Barudan machine stitch file format.
There are three versions of TruSizer:
* Web: browser-based, free
* Desktop: Windows only, free
* Pro: Windows only, $49
The Pro version is available at Maker Nexus.

To create your own embroidery files, embroidery digitizing software is required. Maker Nexus has one copy of [https://www.wilcom.com/Hatch/Products/EmbroideryDigitizer.aspx/ Wilcom Hatch Digitizer]. The Hatch software creates design files in .emb format which can be converted to Barudan stitch format using TruSizer.

==Tips & Tricks==
''TBW''

Back to [[MN-S Textiles]] Equipment List

Laser Cutters

2019-09-08T14:36:05Z

DanClemmensen: /* Cement */

= Different Machines =

[[Laser Manufacturers]] list (and associated equipment) with any notes we have.

= How To =

* Test to determine the correct focal distance for your laser [https://www.youtube.com/watch?v=Eg6THrEdleo video]

*A [https://www.youtube.com/channel/UCX4wA5KhEX6o8zZkHnPthUQ YouTube channel] with a lot of videos. Specializing in board game enhancements.

= Techniques =

== Wood Staining ==

Use Minwax Water Based Wood Stain to color the wood before cutting. Available everywhere, including Ace Hardware stores. They add tint just like they would with a paint. I ignore the colors in the samples on the shelf. I asked to see the colors in the tint machine, there are about a dozen. For my red, I use the red tint straight, no other colors. The stuff works great. I brush it on with a foam brush, then wipe it with a cotton rag.

== Cut for [[Vacuum_Forming|Vacuum_Forming]] ==

I cut a 3 inch medallion positive to use in laser forming. I cut it out of 6mm Baltic Birch plywood. I set the 3d Stamp mode in the driver to Shoulder 45, Widening 0. This gave great relief. On the 120w laser I used 400 DPI, speed 40, power 90, Stucki, bottom up. I did two passes.

== Fitting Parts to a Sheet ==

=== SVGNest ===

Sometimes you have a lot of irregular shapes you want to cut. Maximizing the use of a piece of material can be tough. The demo on this site is pretty cool: http://svgnest.com/   It's open souce, source found here: https://github.com/Jack000/SVGnest

I haven't tried SVGNest yet, but the sample images on his page are impressive.

== Sudo 3D ==

This web site shows a technique to create nice 3D chess pieces. He cuts the front profile then a bounding box. Then he rotates the piece 90 degrees to cut the other profiles. The results are very interesting. [http://imgur.com/a/Rt8kz http://imgur.com/a/Rt8kz]   Thanks to Bruce for finding this.

= Materials =

[https://www.ponoko.com/blog/materials/10-great-materials-for-laser-cutting/ Ponoko] has a fun list of 10 great materials to laser.

== Baltic Birch Plywood ==
It comes in 5x5 foot sheets 3mm (1/8th inch) for about $18. I have them cut the boards into 24 inch strips so that they fit in my car. I then cut the strips into 24x18 panels at TechShop. The price per panel is about $2.50. It also comes in 6mm sheets. These prices are from 2014 at the now defunct Southern Lumber. We've found a supplier on the web: [http://ocoochhardwoods.com/plywood.php Ocooch Hardwoods] I've found that the glue in this plywood makes it harder to cut than plain wood. There are also some hidden hard spots in the plywood. I have to cut at a slower speed or else I'll have some places that do not cut through.
*Settings for 3mm 45watt: speed 8, power 90, frequency 500. If the laser is really clean then speed can go up to 12.
*Settings for 6mm
Another source for Birch Ply is Mayan Hardwoods In Paso Robles. [http://www.mayanhardwood.com/ http://www.mayanhardwood.com/] Mayan carries a full line of hardwood plywood and regular hardwood lumber by the board foot. They do not have a cutting service for sheets of plywood. They do have a chop saw to cut board down. They have the Baltic Birch in 5' X 5' sheets in both 1/8" (3 mm) and 1/4" (6 mm).<br/>They also have Birch Plywood in 4' X 8' sheets. The 5 X 5 sheets are a much better quality than the 4 X 8 sheets.<br/><br/>They offer contractor prices<br/>
*Birch 1/8" 5 X 5 sheets for $17.77
*Birch 1/4" 5 X 5 sheets for $21.45
Mayan also has Oak 1/8"; and 1/4" plywood in 4' X 8' sheets.

== Acrylic ==
Also known as Plexiglas. It comes in several thicknesses; usually specified in English units (1/8, 1/4) but actually manufactured in metric (3mm, 6mm). It is easy to laser cut with a nice finish on the cut edges. Etching also produces nice effects. While extruded is cheaper, we highly recommend cast acrylic for your projects.

=== Cast Acrylic ===
Has a paper protective layer stuck to it with rubber cement. You can etch and cut through the paper. Has a very consistent thickness across the sheet. Superior etching results. It can warp if left in the sun on the dashboard of a car.

=== Extruded Acrylic ===
Has a blue plastic protective layer. The protective layer is reported to be laser safe but etching through it may not be ideal. May have slight thickness variation across the sheet. If precise thickness is important to your design, you may want to work in smaller pieces, measuring each with calipers and adjusting your design before cutting. Goes soft at a lower temperature than cast acrylic. Is 15% cheaper than cast acrylic.

=== Mirrored Acrylic ===
Mirrored acrylic has a thin reflective layer on one side. The mirror is seen when looking through the acrylic, the other side is a dull matte finish. You cannot cut or etch mirrored acrylic with the reflective side up (towards the laser). You can, however, cut mirrored acrylic with the dull side towards the laser. You can also get some interesting effects by etching the dull side, which removed the mirrored layer from areas.

=== Cement ===
While many glues may hold acrylic for some time, by far the best option is [https://www.tapplastics.com/product/repair_products/plastic_adhesives/tap_acrylic_cement/130/296?gclid=EAIaIQobChMIt9im_rbB5AIVgv_jBx31xwjwEAQYASABEgLiwvD_BwE acrylic cement]. This is a very thin liquid that wicks into a joint between two pieces of acrylic and dissolves the two pieces to form a very strong molecular bond. The bond requires that the two pieces have good contact between them; the cement does not fill gaps. You should search YouTube for a video on how to use acrylic cement - it is filled with good tips.

You can also use double sided tape or other similar methods.

=== Sources ===
Tap Plastics is a well known supplier of acrylic. They will cut sheets to size while you wait. They also have a scrap bin that is often filled with cheap pieces of acrylic. The scrap bin will also have pieces of other plastics that are not laser safe. If you have a question about the material, ask their helpful staff if the piece you want to by is acrylic.

== Worbla ==

Feels like plastic, but is laser cutter friendly. One side is sticky. You can heat it with a heat gun and form it like clay. Works great to make costume parts. An internet search for warbla will show a plethora of cool examples.

Worbla activates at 90 C.; I dipped in almost boiling water and was able to easily work it by hand. This is great stuff.

You can buy it at [http://www.cosplaysupplies.com/store.php?s=UN4V CosPlay Supplies.]

You can also [[Make_your_own_Worbla|make your own Worbla]]

= Supplies =

Also see the general [[Supply Sources]] page.

== LaserBits ==
[http://www.laserbits.com/ http://www.laserbits.com/]<br/>I have not purchased from this company yet. Full line of engraving supplies.  They have Color fills and seals. Engrave a piece of acrylic and then use this stuff to fill the engraving with a different color.<br/>[http://www.laserbits.com/laser-supplies/laserbits-pro-color-fill-sealer.html http://www.laserbits.com/laser-supplies/laserbits-pro-color-fill-sealer.html]
== Marking metal and glass ==

=== Thermark ===
You spray this product onto a metal or glass surface, laser it, then wash off the part that was not hit with the laser. I saw this used at TSMP on metal and the result was very good. The woman using it recommended it. I got a 6oz bottle of the spray on Thermark Laser Marking Material LMM14 Black from the manufacturers web site [http://thermark.com Thermark] for $62 plus $11 shipping UPS. Not cheap. My settings: 60W laser, 600 DPI, Stucki, speed 5, power 90.  Anything with less heat left the image susceptible to scratching off.
=== Dry Moly Lube ===

(From [http://www.evilmadscientist.com/2013/laser-moly/ Evil Mad Scientist] web site) A can of "CRC Dry Moly Lube" sells for about $10. Clean your metal with isopropyl alcohol. Spray lube on your metal, let dry. Do this three times. They etched with 20-30% speed (laser power unspecified) which showed a big difference. Clean off the excess lube with alcohol. They say the finished image seems tough. I haven't tried this yet.

[http://www.sawmillcreek.org/showthread.php?163305-Forget-Cermark-and-Plaster-of-Paris-try-this Sawmill Creek] also has a riff on this technique. He used "Sprayon LU200", 2 coats from 4 inches high. 600 DPI, 3% speed and 100% power, air assist and two passes. He cleaned it by spraying with Krud Kutter and letting it sit for a few minutes.

And... one commentator says that Cermark is so easy to use (one coat, water clean up) and fast to laser that the cost of the good stuff is not significant.

User:DanClemmensen

2019-09-05T17:12:27Z

DanClemmensen:

Hi! I'm a new maker, but I am an experienced Wiki editor on Wikipedia.

I'm here to try to update and add pages on this Wiki.

==Main Page needs cleanup==
The [[Main Page]] is out of date and needs work. It's not currently focused on Maker Nexus, but more on maker spaces in the south bay. I intend to make a proposed new main page at [[User:DanClemmensen/Proposed Main page]]

We also have a few technical issues.
* "help" links to the mediawiki help page, not to a MN help page
* the talk page of the main page is edit-protected. Should be edit-allowed for logged-in users.

User:DanClemmensen/Proposed Main page

2019-09-05T17:09:39Z

DanClemmensen:

__NOTOC__
'''Maker Nexus''' is a [https://en.wikipedia.org/wiki/Hackerspace Maker space] in Sunnyvale, California. This Wiki provides information about Maker Nexus, and also about making in the South Bay and making in general. The wiki contributors to this wiki are members of Maker Nexus who have chosen to contribute. If you'd like to contribute, please [[Special:RequestAccount|sign up for a FREE account]]. Once you've created an account we will give you access to edit and add to this wiki. (Note that right now only admins can change this home page. If you want to change the home page, just [[User_talk:Jschrempp| message us]] and we will get it set up.) If you need to practice your wiki editing skill - it's easy once you get used to it - try this [[sandbox page]].

This is an open wiki for makers. It is also the repository of public information about '''[[Maker Nexus Makerspace|Maker Nexus' makerspace in Sunnyvale, California. We document a lot of our organization in this wiki. Read about us here.]]'''

This wiki is about fabrication and making and a bit of hacking. It covers tools, techniques, materials, settings, and sources. Frankly, we set it up so that we wouldn't forget all the good things we have learned through hard work and getting help from our friends. Everyone is welcome to use our information.

==Major Areas==
{| style="width:80%;" cellpadding="10"
| style="width:40%;" |
| style="width:50%;" |
|-style="vertical-align:top;"
|
===Tools and Tips===
* [[Laser Cutter]]
* [[3D Printing and Modeling]]
* [[Mold Making]]
* [[Vacuum Forming]]
* [[Heatpress]]
* [[Shopbot and Tormak]]
* [[Supply Sources]]
* [[Arduino]]
* [[Particle.io]] (formerly Spark.io)
* [[Raspberry Pi]]
* [[Chromebox]]
* [[Sumobots]]

|
===Maker Nexus===
* [[Maker Nexus Makerspace]] in Sunnyvale, California

===Maker Spaces and Resources===
* [[Why do we need makerspaces?]]
* [[Maker Spaces|Locate a maker space in your area]]
* [[Starting a Maker Space|How to start your own community maker space]]
* [[Businesses offering discounts]] to ex TS members building their own shop
* [[Curriculum for Makers|Ideas for Classes]]

===TechShop===
* [[TechShop]] - The latest information about it

===More Stuff===
* [[Member Projects]] - tell us about what you've made
* [[Other Stuff]] - a place to start new areas of information. If you have some good info but don't know where to put it, then dump it here and someone will figure out where to put it in this wiki.

|}

==About This Wiki==

* [[Who we are]]

* [[Shrimpware Wiki|This wiki seems weird...]]

If you want to contribute but don't know how to edit a mediawiki, then you might consult the [http://meta.wikimedia.org/wiki/Help:Contents User's Guide]. Or contact [[User talk:Jschrempp|Jim Schrempp]] and he will help you get started.

[[Terms of Service]]

User:DanClemmensen/Proposed Main page

2019-09-05T17:07:32Z

DanClemmensen: Created page with "__NOTOC__ '''Maker Nexus''' is a Maker space in Sunnyvale, California. This Wiki provides information about Maker Nexus, and also about making in the South Bay and making in..."

__NOTOC__
'''Maker Nexus''' is a Maker space in Sunnyvale, California. This Wiki provides information about Maker Nexus, and also about making in the South Bay and making in general. The wiki contributors to this wiki are members of Maker Nexus who have chosen to contribute. If you'd like to contribute, please [[Special:RequestAccount|sign up for a FREE account]]. Once you've created an account we will give you access to edit and add to this wiki. (Note that right now only admins can change this home page. If you want to change the home page, just [[User_talk:Jschrempp| message us]] and we will get it set up.) If you need to practice your wiki editing skill - it's easy once you get used to it - try this [[sandbox page]].

This is an open wiki for makers. It is also the repository of public information about '''[[Maker Nexus Makerspace|Maker Nexus' makerspace in Sunnyvale, California. We document a lot of our organization in this wiki. Read about us here.]]'''

This wiki is about fabrication and making and a bit of hacking. It covers tools, techniques, materials, settings, and sources. Frankly, we set it up so that we wouldn't forget all the good things we have learned through hard work and getting help from our friends. Everyone is welcome to use our information.

==Major Areas==
{| style="width:80%;" cellpadding="10"
| style="width:40%;" |
| style="width:50%;" |
|-style="vertical-align:top;"
|
===Tools and Tips===
* [[Laser Cutter]]
* [[3D Printing and Modeling]]
* [[Mold Making]]
* [[Vacuum Forming]]
* [[Heatpress]]
* [[Shopbot and Tormak]]
* [[Supply Sources]]
* [[Arduino]]
* [[Particle.io]] (formerly Spark.io)
* [[Raspberry Pi]]
* [[Chromebox]]
* [[Sumobots]]

|
===Maker Nexus===
* [[Maker Nexus Makerspace]] in Sunnyvale, California

===Maker Spaces and Resources===
* [[Why do we need makerspaces?]]
* [[Maker Spaces|Locate a maker space in your area]]
* [[Starting a Maker Space|How to start your own community maker space]]
* [[Businesses offering discounts]] to ex TS members building their own shop
* [[Curriculum for Makers|Ideas for Classes]]

===TechShop===
* [[TechShop]] - The latest information about it

===More Stuff===
* [[Member Projects]] - tell us about what you've made
* [[Other Stuff]] - a place to start new areas of information. If you have some good info but don't know where to put it, then dump it here and someone will figure out where to put it in this wiki.

|}

==About This Wiki==

* [[Who we are]]

* [[Shrimpware Wiki|This wiki seems weird...]]

If you want to contribute but don't know how to edit a mediawiki, then you might consult the [http://meta.wikimedia.org/wiki/Help:Contents User's Guide]. Or contact [[User talk:Jschrempp|Jim Schrempp]] and he will help you get started.

[[Terms of Service]]

User:DanClemmensen

2019-09-05T16:54:12Z

DanClemmensen:

User:DanClemmensen

2019-09-05T16:48:46Z

DanClemmensen: Created page with "Hi! I'm a new maker, but I am an experienced Wiki editor on Wikipedia. I'm here to try to update and add pages on this Wiki."

Hi! I'm a new maker, but I am an experienced Wiki editor on Wikipedia.

I'm here to try to update and add pages on this Wiki.

User talk:DanClemmensen

2019-09-05T03:38:31Z

DanClemmensen: Created page with "Hi! I'm a new maker, but I am an experienced Wiki editor on Wikipedia. I'm here to try to update and add pages on this Wiki."

Hi! I'm a new maker, but I am an experienced Wiki editor on Wikipedia.

I'm here to try to update and add pages on this Wiki.