[Teaching Tech] takes a look, and machines a mold for part of a bicycle bracket. With a diversion into home-made silicone seals for the injection molding machine, he proceeds to machine the mold ...

as we see how he refined his 3D printed mold design and then how he used mica powder to give the clear silicone its black colour. The final buses certainly look the part especially when fitted to ...

D printing has moved beyond conformal cooling, and is being applied to injection molds more broadly. Observations on tooling ...