Skateboard bushings

Selection of bushings for skateboard trucks.

I printed some in Ninjaflex at 100% infill and they felt similar to extra soft bushings, don't know how long they'll last though.

Update: I've just done a little research on Ninjaflex and it has a hardness of 85a, in comparison Bones soft bushings are 81a. Semiflex is 98a and Bones hard bushings are 96a. It also appears that it is a thermoplastic polyurethane the same as skateboard bushing and wheels so should be ok if printed solid. In theory y