Dremel cover Re-Re-mix

Re-Remix of these Dremel cutoff wheel protectors: http://www.thingiverse.com/thing:966836

http://www.thingiverse.com/thing:1010900

I am happy with this new design. A screw-on cap is much more secure and generally superior, imo.

And wider clearances makes this design more printer-friendly. The previous remix (the one with a snap-fit cap) had tight tolerances and required accuracy.

It's a small part, so I'd suggest thin layers, slow speed and fan cooling if available. A set took about