Carving fossils into styrofoam

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Richies^Ghost

Feeder Fish
MFK Member
May 15, 2010
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Sydney
I think there use to be a thread on here where someone made themselves a fossil for a wall decoration, but I can't find it.

I'd like to do something similar for a styrofoam background. Any advice?
 
Turns out that for 10$ on ebay I can get a styrofoam cutter - it energises a ni-chrome wire and slices through the foam better than a hot knife through butter, though a mask is definately required. The great thing is that the wire can be shaped to whatever I need, which should make life easier :D

A box cutter, rasp, and sandpaper should take care of the rest, especially if I made some tools for the sandpaper - I'm thinking that wrapping it around a pencil would work well.
 
I see what he did there :)

I think I'm going to go the different route - I will cut the fossil into the foam, rather than cut the fossil out of is as he has. His look is no doubt better, but I don't think I can dedicate the time, plus there's more margin for error.

Once I've carved them into the foam, the plan is to coat the foam with epoxy, black sand, epoxy again, then normal sand as the fossil bones, gaps between rocks, and some strata levels. Then epoxy again just so that the sand doesn't come off!

Do pleco's eat epoxy?...
 
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