Materials for the build are listed below. Some are affiliate links.

Set Screw Set https://amzn.to/3yLblvO
PLA+ Filament https://amzn.to/3PxmF4A
ORing Kit https://amzn.to/39EufKA
22g Wire https://amzn.to/3yHZQ8n
5degree Lens https://amzn.to/3loZr2Y
Thermal Tape https://amzn.to/3MrNNjO
Ender 3 https://amzn.to/3Mrz9cf
850nm LED https://www.ebay.com/itm/262177408577...
780nm Laser https://www.ebay.com/itm/133142145047...
Momentary Button https://www.ebay.com/itm/363595923028...
Soldering Iron https://amzn.to/3yOdGT4

STLs https://www.thingiverse.com/thrifty_o...