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Hi guys, I am looking to make a multiple piece mould (imagine I'm casting coke can's and want to make a mould that casts 6 of those coke cans at once). It would be a one piece mold, as in one piece of plaster like a brick with 6 holes in it and a 'plate' piece underneath it. Would this cause an issue to cast 6 masters assembled like a grid, in terms of how the water absorbs into the plaster? ie. With two placed next to each other, would the water absorb through and clash with the water being absorbed from its neighbour? Any help would be great! Cheers.