Stonecast pattern

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Stonecast pattern

Author	Message
briantumma	briantumma posted 10 Years Ago HOT Topic Details
Group: Forum Members Posts: 10, Visits: 85	Hi all, I've just made a plaster stonecast of a foot as I'm looking to make some custom carbon shoes for cycling. With appropriate amounts of release coats, does anyone see any problems moulding the carbon around that? Or do I really need to look at coating the mould with pattern coat hi gloss? I'll be using wetlay to begin with. Thanks Rich
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Hanaldo	Hanaldo posted 9 Years Ago HOT Post Details
Group: Forum Members Posts: 2.5K, Visits: 28K	The problem with plaster is it's porous, so no matter how much release agent you use you won't get a release from it. Not even PVA can give a release from plaster. You will need to seal the plaster somehow before you proceed.
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briantumma	briantumma posted 9 Years Ago HOT Post Details
Group: Forum Members Posts: 10, Visits: 85	Perfect answer, exactly what I wanted to know Thanks!
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*VVS*	*VVS* posted 9 Years Ago HOT Post Details
Group: Moderators Posts: 226, Visits: 334	Hi Rich, are putting padding in the shoe? I ask because you could quickly get to a lay up stage by putting some sheet wax over the plaster, would add 1.5mm, you may even be able to put a thin coating of filleting wax over the foot and doing that way.
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briantumma	briantumma posted 9 Years Ago HOT Post Details
Group: Forum Members Posts: 10, Visits: 85	Not entirely sure VVS but it's been a question I've asked myself. I had completely forgotten about sheet wax, that could be a good solution. Thanks for the advice!
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