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+--- Thread: One Piece Mold (/showthread.php?tid=27109)
One Piece Mold - caidenzakk - 01-26-2009
Hey guys, can someone please explain to me how to make a one piece mold out of a master copy ? thanks
One Piece Mold - Deadguy71 - 01-26-2009
Your question calls for more questions rather than answers.What form is the Master copy? (Soft or hard, flexible or non-flexible.. porous, semi-porous)Are you going for a 1-piece mold, or 2-piece, or more? What are your materials, what equipment is availible, what's your budget, what do you want for an end result? How many castings, what type of materials you want in that? What size is it? are there undercuts?Typically, you seal it, cover it in a release agent, and cast molding material onto it that's the opposite of what your starting material is.. (ie- soft molds for hard, inflexible material, or hard molds for soft casting material.) That's a general rule, but is extremely application dependant, and requires decisions and a basic knowledge of what equipment is availible to you. There's tons of videotaped tutorials, and/or photo tutorials over at www.smooth-on.com there's bound to be something useful for you.A one-piece sock mold is often a brushed-on mold, with a shell mold (also called a mother mold) to hold it in shape. The sock mold material is extremely flexible, and it stretches easily.. permitting you to fill up one end, and then roll the mold off of the finished piece.Sometimes you can slit a fully encasing mold, and then use it like a sock mold.
One Piece Mold - JigSaw - 01-26-2009
<!--quoteo(post=294616:date=Jan 26 2009, 06:33 PM:name=Deadguy71)<div class=\'quotetop\'>QUOTE(Deadguy71 @ Jan 26 2009, 06:33 PM) <a href=\"index.php?act=findpost&pid=294616\"><{POST_SNAPBACK}></a></div><div class=\'quotemain\'><!--quotecThere's different ways to do it. Either with a super flexible/stretchable sock mold, or a slit mold.Either way, it's typically a brush-on mold that you either roll off like a sock, or you slit up the back. Usually with a shell mold of some kind to ensure it doesn't sag or droop. There's tons of videotaped tutorials, and/or photo tutorials over at www.smooth-on.com<!--QuoteEnd</div><!--QuoteEEndI believe he's refering to molding a master copy for casting latex masks, in which flexable molds won't work, nor should he slit the mold.You should be able to mold a thick silicone or latex cast of a mask without having a dividing wall. Because they're flexable, you should be able to pull it out fine.
One Piece Mold - caidenzakk - 01-27-2009
<!--quoteo(post=294617:date=Jan 26 2009, 07:44 PM:name=JigSaw)<div class=\'quotetop\'>QUOTE(JigSaw @ Jan 26 2009, 07:44 PM) <a href=\"index.php?act=findpost&pid=294617\"><{POST_SNAPBACK}></a></div><div class=\'quotemain\'><!--quotecI believe he's refering to molding a master copy for casting latex masks, in which flexable molds won't work, nor should he slit the mold.You should be able to mold a thick silicone or latex cast of a mask without having a dividing wall. Because they're flexable, you should be able to pull it out fine.<!--QuoteEnd</div><!--QuoteEEndlol, yeah. I guess I should have been more specific. Jigsaw is correct, I need to make a one piece mold from a master latex mask, how is that done ?
One Piece Mold - richardmalone - 01-27-2009
WHAT!?! Deadguy didn't know what he was talking about?!?
One Piece Mold - Deadguy71 - 01-27-2009
<!--quoteo(post=294646:date=Jan 26 2009, 11:21 PM:name=richardmalone)<div class=\'quotetop\'>QUOTE(richardmalone @ Jan 26 2009, 11:21 PM) <a href=\"index.php?act=findpost&pid=294646\"><{POST_SNAPBACK}></a></div><div class=\'quotemain\'><!--quotecWHAT!?! Deadguy didn't know what he was talking about?!?<!--QuoteEnd</div><!--QuoteEEndlolI was right, and knew what I was talking about, but the fact that this was a mask he referring to, meant that most of what I said didn't apply to what he needs. Sock molds, slits and all that are for casting from a hard master. I've never cast a mask before, just props/lifecasts/etc.. it's a different beast.
One Piece Mold - CreepingDead - 01-27-2009
Didn't we have this converation about on piece molds through PMs back in September? The process hasn't changed since then. LOL
One Piece Mold - The Death Curse - 01-30-2009
<!--quoteo(post=294646:date=Jan 26 2009, 11:21 PM:name=richardmalone)<div class=\'quotetop\'>QUOTE(richardmalone @ Jan 26 2009, 11:21 PM) <a href=\"index.php?act=findpost&pid=294646\"><{POST_SNAPBACK}></a></div><div class=\'quotemain\'><!--quotecWHAT!?! Deadguy didn't know what he was talking about?!?<!--QuoteEnd</div><!--QuoteEEnd<img src=\"http://i62.photobucket.com/albums/h98/MoonlitDevil/owned-cat.jpg\" border=\"0\" class=\"linked-image\" />Cheers,Ryan
One Piece Mold - The Death Curse - 01-30-2009
<!--quoteo(post=294666:date=Jan 27 2009, 10:50 AM:name=CreepingDead)<div class=\'quotetop\'>QUOTE(CreepingDead @ Jan 27 2009, 10:50 AM) <a href=\"index.php?act=findpost&pid=294666\"><{POST_SNAPBACK}></a></div><div class=\'quotemain\'><!--quotecDidn't we have this converation about on piece molds through PMs back in September? The process hasn't changed since then. LOL<!--QuoteEnd</div><!--QuoteEEnd<img src=\"http://i62.photobucket.com/albums/h98/MoonlitDevil/owned-dog.jpg\" border=\"0\" class=\"linked-image\" />Cheers,Ryan