Pottery: plaster Mold Making Video Making a One-Piece Plaster Mold2.flv
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Uploader Comments (chinaaccenthk)
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All Comments (16)
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But what do you do with the mold?
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@sisafokker Good to leave it to dry naturally for the first time. 10 days would be v good in normal warm conditions.
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@MelKH001 Yes you can... you can make a mould from anything really as long as you attend to the undercuts. Also you must use a good release agent.
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If you dont have a leather hard poured piece to mold from and only an actual glaze fired piece, can you still make a mold from it?
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Do you think it would be harder to do miniature molds for dollhouse china (1/12 scale) or is the process pretty much the same? I would just buy the molds, but it seems that Duncan doesn't make them anymore :-/
wpederson1 11 months ago
@wpederson1 . I think you would just need a finer clay...
chinaaccenthk 11 months ago
Nice video. Could you please clarify as to how many days you have to wait until the mold is ready to be used? I´ve heard for the mold to last longer you should wait up to 10 days. Any advice? Thanks!
sisafokker 11 months ago
@sisafokker agreed yes
chinaaccenthk 11 months ago
To shave off edges I use a piece of wide snapped off hac saw blade which has really nice fine serated edges and this gradually controls the contouring shaving.- then finish with abrasive paper or dish scourer pad and rinse off as usual.
chinaaccenthk 1 year ago
What do you fill the mold with plaster or clay? Are there clay molds? I get so confused about this stuff
canaan1967 1 year ago
@canaan1967 fill with slipor liquid clay... leave for 30minutesthen pour out... it leaves aslip of say 6-10mmfresh clay lining. let that dry leathery shrinks a little then pops out...
chinaaccenthk 1 year ago