Plenty of examples on Thingiverse:
Maker’s Muse just did one with a laser but I don’t think he makes the CAD file available:
It shouldn’t be too hard to design a simple one from scratch if you are handy with CAD.
Plenty of examples on Thingiverse:
Maker’s Muse just did one with a laser but I don’t think he makes the CAD file available:
It shouldn’t be too hard to design a simple one from scratch if you are handy with CAD.