Tarot mount, quadcopter landing foot

This is a landing foot for a quadcopter that is designed to mount beneath Tarot motor mounts for tubular arms. It is best printed in a flexible material. The ring shape is designed to facilitate shock absorption, and you may decide to reduce infill in order to increase this, depending on your chosen printing material.

Its mounted with the ring shape facing downwards acting like a tyre (upside down from that shown in the image)