Easy DIY silicone molds - Tutorial how to make silicone molds using things you have at home! Perfect for duplicating things with fimo, polymer clay or air drying clay.
How to make silicone molds for casting concrete - Day 1 - God Calls Moses - how to make a mold from the flip flop molds I already have, Maybe use aluminum baking pans instead of water bottle
How to Use Silicone Caulk to Make High-Quality Jewelry Molds This sounds best for large items. I bet you could use a plastic shoebox (or similar from the dollar store) sprayed with auto spray for a release. Or even Pam?
Fall For DIY How to Make a Silicone Mould tutorial - Oh the possibilities!