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Old Apr 22, 2012, 06:39 PM
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Bh p-38

When the canopy's inside plaster is set, I removed the cast, then, after wetting the base, turned the mold over onto a pile of fresh mixed plaster to make a thicker base. Clean around the edges and smooth them while also trying to create an edge that will be visible as the bottom of the canopy when the original is removed.
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Old Apr 23, 2012, 05:20 AM
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What are you using to heat the plastic to make it pliable to be vacuumed down ?
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Old Apr 24, 2012, 08:01 PM
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Originally Posted by SEMPERFI8387 View Post
What are you using to heat the plastic to make it pliable to be vacuumed down ?
I put 4 ceramic coffee cups upside down on the rack in my kitchen oven, then set the PETG plastic sandwiched between the MDF frame on them...about 4-5 inches away from the broiler elements. In about 30 seconds, the plastic begins to sag. When it's about 1-1/12" below the bottom of the frame, it's ready to set on the mold and turn on the vac.
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