R9 Antenna - Arm Mount

Simple remix to fit the Stingy/Puda D240 frame, but should fit most arms. Width is 18mm and height is 10mm, so motor skids will just get this off the ground. I also recessed the zipties so they don't take any impact on landings or slides.

I'd recommend PETG for a little better durablilty, but it would work with most filaments