Shock absorbing bumper holder for Traxxas TRX4 Defender with Injora rock crawler bumper:
https://www.injora.com/products/adjustable-metal-front-bumper-for-1-10-rc-rock-crawler
My car is pretty heavy ~ 4.5kg and just light front crash easily break any plastic connection holding metal bumper so I decided to add 10mm gap between car frame and bumper for inserting piece of rubber/stiff foam for shock absorbing.
The author remixed this model.
Inspiration and some dimensions taken from original. Remodeled from scratch for my needs.