Just modelled these to help protect my VX3.5 motors since I often times would crash in a way that would bend the bell on motor. I have not yet fully tested this designs performance in the air so please keep that in mind.
You will need a decently performing printer that can handle bridges well with TPU, I would not recommend making these with anything other than TPU. You will have to poke a hole into the bottom to allow the screw to work (shown in the fourth photo). The difference between the V3 and V4 is the thickness of this membrane, .4mm and .8mm respectively.
If you have any questions please DM me on Discord-Zelas
The author marked this model as their own original creation.