Thingiverse
Silicone moulds to make washer rings and bushing
by Pixelvalve
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Make your own O-ring and rubber bushings
The rubber parts can be made easily by filling the 3d printed parts with any silicone like window sealant, also known as Silicone Caulking. This silicone rubber has a 25+year outdoor life and can be found in many hardware stores alternatively RTV silicone the type used for molding models will also work. You will need to pour / inject or paste the silicone into the mold then carefully scrape any excess over the top of the mold.
it makes a 40mm x 3m
The rubber parts can be made easily by filling the 3d printed parts with any silicone like window sealant, also known as Silicone Caulking. This silicone rubber has a 25+year outdoor life and can be found in many hardware stores alternatively RTV silicone the type used for molding models will also work. You will need to pour / inject or paste the silicone into the mold then carefully scrape any excess over the top of the mold.
it makes a 40mm x 3m
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