I don't use these to cover the entire esc but instead the last few millimeters - the intent is to protect the wires on the end of the esc from prop strikes.
Printed in TPU and so far working great with XM20a's on my SCX-200
Picture is the 20mm version.
esc-cover-20mm.stl | 4.4KB | |
esc-cover-30mm.stl | 3.8KB |