Instructables

Laser-etched and Cut Rubber Stamps - Made at TechShop

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Picture of Laser-etched and Cut Rubber Stamps - Made at TechShop
Made at TechShop SF - http://www.techshop.ws - TechShop is a shop space where one pays a monthly membership fee, like a gym. After taking Safety & Basic Use Classes, one can check out equipment which ranges from Laser Cutters to 3D Printers to CNC mills and more! It is a great resource for professional designers, students, and entrepreneurs alike.

Rubber stamps are great for packaging, mailings, personalization and more! Laser engraving machines make creating them simple. Follow these steps and you'll have rubber stamps in no time.

Materials and Equipment:
- Laserable Natural Rubber
- Graphics Editing Software
- Art or Other Stamp Content
- Epilog Laser Engraver
- Stamp Block(s)
- Rubber Cement
- Books or Other Objects to Use as Weights

Visit our shop at http://biomorphics.com. We specialize in lasercut/3D printed/CNC jewelry, apparel, art, home goods, and more.
 
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Step 1: Purchase the Correct Material

Picture of Purchase the Correct Material
It is very important that you use natural, non-vulcanized rubber for the laser cutter as a non-natural rubber will produce toxic gases in the laser cutting machine. These laserable rubber sheets are marked with the text "SPECIAL RUBBER FOR LASER ENGRAVING." I sourced my material from http://www.laserbits.com though you can find other sources as well.

Step 2: Set Up Your Drawing

Picture of Set Up Your Drawing
Using Adobe Illustrator, I selected the black and white art I wanted to engrave, then chose Edit >  Colors > Invert Colors to create an inverse image. I then right-clicked, chose "Transform > Reflect" and used a 90 degree vertical axis reflection. This is an important step - It will enure your image comes out printed the correct way in ink. Set all lines to be cut at 0.001pt lineweight and all lines to be engraved at 0.5pt lineweight or greater.

Step 3: Engrave

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Using the Epilog Laser Engraver, I chose "Combined" print job, and used the following settings: 
Raster: 40% speed, 90% power, top-down engraving
Vector: 20% speed, 90% power, 2500 hz
Watch your job carefully to make sure no fires occur. You may have to run your vector job twice.
KTxW1 year ago
Love that you made a stamp of your QR code - that's an awesome idea!
biomorphics (author)  KTxW1 year ago
Thanks! We thought so too!
kde leon3 made it!4 months ago

fun! thank you!! :)

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This is really good but some info on the power setting used would be great. I made some rubber stamps using silcone sheet and they worked really well with fine detail.
can you tell me which kind of silicone rubber do you use? i engraving stamp rubber sheet on my 40w laser but it still too thick of engraved area....and I would like to try silicone sheet....thank you.
biomorphics (author)  Mindmapper11 year ago
http://www.instructables.com/id/Laser-etched-and-Cut-Rubber-Stamps-Made-at-TechS/step3/Engrave/ these power settings are the ones I got from Epilog for Natural Rubber.
thank you but I can't read the details too much screen reflection unfortunately
biomorphics (author)  Mindmapper11 year ago
it's in the text below the photo if you read it!