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Old Jun 13, 2001, 02:22 AM
leccyflyer is offline
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Sloping off....
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United Kingdom, Aberdeen
Joined Sep 2000
12,920 Posts
Dave's comment about the frame is correct- it keeps the plastic together and gives you something to pullor push on - if you dont want to make a frame you could use an old photo or picture frame and tack the plastic sheet to it.

I've had reasonable success with a simple canopy shape by just putting the plaster mould inside the coke bottle, supported on a block of wood so that the bottom edge is raised. Then clamp the open end of the coke bottle with a G clamp and set to with the heat gun.

True you will need to cut the poor little mould out of the shrivelled mess but coke bottles are readily available and with a bit of experimentation this can work well for simple shapes.

hth

Brian
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