For anyone looking to print inserts for their RC tires, I’m working on designing some to sell, but if you use RCTalk I’ll give you them for free. Let me know the dimensions (beadlock ring diameter, tire diameter, tire width) and I’ll get working on the files here’s one I made (it’s not a final version, V1 but it’s free) https://cults3d.com/en/3d-model/tool/1-0-insert