t-slot card holder

Treated myself to a delta printer with a laser for etching. Wanted a guard to stop me looking at the bright lights; this is simple but effective and means that I don't have to wear goggles whilst doiing a 30 minuite etch. Also have relegated the printer to the utility where it will not set off the smoke alarm.

The STL is for thin card at a 120 degree angle and 20mm high. If you want to change any dimensions I have also uploaded the openSCAD source. You will need to put all the files in the sa