Silicone molds can be made using lots of different strategies. in this video I explore 3 kinds of molds: open back molds, one-piece cut molds and rotation molds.

After the molds are made I use colored urethane resin to cast copies of the molded parts
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Would you like to mold and cast something but have no idea how to start? Send pics of your project to me and maybe I’ll do it as a YouTube video.
Here’s a .pdf with the info:
https://www.dropbox.com/s/pjb0l6fr7zj...