Check out info on resin casting. You have a mold, mix the resin with a catalyst. Whatever is in the mold gets embedded in plastic. - This link doesn't include info, but it's a reminder to go check out more info on resin casting
Hot Silicone Mould DIY Resin Casting Jewelry Pendant Mold Handmake Crafts Making
A simple way to create your very own silicone bangle mould :D . Free tutorial with pictures on how to make a resin bangle in under 60 minutes by molding and resinworking with plastic, bangles, and plastic cup.
DIY Silicone Pendant Mold Making Jewelry Pendant Resin Casting Mould Craft Tool
Resin casting - Resin Obsession Choosing a resin can be confusing and overwhelming. This chart breaks down the details several popular resins, including the pros and cons of each. Want fantastic ideas regarding arts and crafts? Go to my amazing website!
What I wish I would have known about making things with resin before I got started
FurnityurMolds: tutorial about work with dandelions and epoxy resin. You'll learn how to use flowers, molds and epoxy resin to create different kinds of jewellery. I want a dandelion necklace for my Dandie dog.