Printrbot Lasercut Spool Remix

As a new PrintrBot owner, I really liked abrumm's PrintrBot Lasercut Spool, but there's a problem in the design. There should be an engrave layer and separate vector cut layer. Otherwise the logo will cut into the spool.

I revised the original in InkScape, put the logo in layer 0, and the vector cut on layer 1. When I used the print driver to export to my Full Spectrum Laser, it just combined the layers. So I've included a second version with no logo.

Some modifications: when we cut, t