Space One FPV Formula One 220 X Edition Arm Guard Bumpers

Space One FPV Formula 220 X frame arm guards AKA bumpers AKA booties. Frame is this one:
https://www.spaceonefpv.com/collections/frontpage/products/f1-x-formula-one-220-x-edition

There is a right and a left version (looking down at the front two arms). Spin frame 180 and then use right and left again for the rear two arms.

I've included a couple of design variations; lightest ones are the 12mm tall version with 1mm thick bottoms (3.75g). The thick versions have a 2mm thick bottom and co