Back in 2009 the gears in my Kyosho Spider EP were worn out – stones have a habit of getting stuck in the belts. Parts for this model are not easy to get a hold of anymore which left an interesting option to try – 3D printing. Downside is that I can take a bit of time to model the part you need. In this case some gears:
Also had some printed in metal:
Only problem now is I’ve got some other broken bits I’d need to model first before getting back on the road.
It’s certainly a good solution if you have time to model or the parts are already out there!