Just uploading for now. I will update with full details.

Motor arm guards for a RotorX V3 frame (4mm) and t-motor 1406 motors (18.8mm dia).

If you want prop guards see here... http://www.thingiverse.com/thing:2213892

Ultibots K250BSE

No

Yes

0.25

99% Concentric

Printed in Polymaker PCMax on a kapton coverd, roughed with 80 grit, cleaned with acetone bed heated to 108C first layer, 105C thereafter. Hot end temp of 265C first layer, 260C thereafter. No layer fan. Enclosed printer, shoot for 30-40C, 50C tops.

You may be able to get away without supports if using a different material.