This can be heavy so use a strong table or the floor.
You can push the copper quite far into the clay if you want.
This is very messy. Wear gloves and read the instrictions as to the amounts.
Add fibreglass on top of your dried silicone. This will keep the silicone mould in place.
You are half way there, don’t give up.
I tilted the whole thing to make it easier to add the silicone. Silicone can usually be poured but I added an additive that gave it a buttery texture making it easier to spread.
This was a real moment of truth.
I added fibreglass tabs on the edge of the two halves of the mould. These were then drilled so I could bold them together to create 1 complete mould ready for casting. It was tricky laying the fibreglass inside the mould and I gor covered in the stuff so always wear the appropriate PPE.
Fibreglass dust is very, VERY, irritating. Do this in a well ventilated place and cover all areas of skin.
6 finished snail shells ready for Faceless Company’s Snailympics 2010
For information, and better instructions, i recomment you look at www.tiranti.co.uk as they have all the materials needed plus very good instruction booklets.