by Anvils Hammer » Tue Jan 31, 2012 7:02 am
sure I can do.. but err.. it would just be a photo of me holding a razor blade stuck into a cube of rubber..
so youve got your sprue with parts, attached to a lump of plasticine which is going to be the pour channel, you pour silicone over teh top.
you then have a block of silicone with a bit of plasticine on the top.. pull out the plasticine, snap the sprue bar away from the masters and remove it..
you then have a block of silicone with a trench, and at the bottom, a load of small white/grey/green rods/parts..
Using a surgical scalpel, cut down to the parts and between then, trying to avoid excessive damage. when youve cut enough, you can remove the parts, you're done!
Pulling the two halves apart while you cut make it a million times easier!
I figured it out by trial an error.. I think Mango already posted some photos of split molds?
AH