When you need a smooth and polished finish, or you want to make exact copies of an existing injection molded part, casting resin parts in silicone molds is an excellent option. [Eric Strebel] has ...

[Jan] notes that this generally necessitates the use of condensation-cure silicones, as additive types don’t cure well in resin molds. The condensation silicone is mixed up, degassed, and poured ...

In addition to crafting a sentimental art object, you can preserve flowers ... You'll also need a high-quality casting resin, a silicone mold for shaping, and, of course, dried or artificial ...