These are two mirror alignment jigs which I designed from versions I have seen floating around the Internet. Have also included a PDF of the targets to cut out and use for aligning. Also be sure to use all safety gear and uses is at your own risk.
If you are looking for other K40/eBay CO2 laser parts, we have assembled these lists:
Remember to come back and post what you've printed as Make.
It's good for the designer and the community (that means you)!
To post a Make, come back to this Thing and click Post a Make.
Or, you can use the Thingiverse Mobile app found on
and the Apple App Store.