This looks like a cool little project for someone with a laser cutter.

This looks like a cool little project for someone with a laser cutter.
http://www.thingiverse.com/thing:701548

Pretty cool looking little machine. I wonder if the parts are plastic welded together to prevent racking during a print.

No, they are not. Just screwed together and some tabs. I have a clone called Mini Fabrikator. There’s a Tiny Boy 2 though