3D printed - Chinese laser cutter - XY locating laser clamps

NOTE: Requires OpenSCAD 2014.03 or later!

The generic "eBay" laser engraver/cutters are all much the same design. Mine, with air-assist and a laser "dot" I found difficult to align the laser pointer (it's on a freely swivelling mount), also, hitting transparent perspex leads to further problems trying to work out exactly where the visible laser is in relation to the cutting laser.

So, I've replaced the single dot-focused laser with two line focused lasers, and this Thingy to clamp them al