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Jarrell, <br /> <br />For my mountains I used 1" extruded foam insulation. Build up the mountains layer by layer, gluing them together with "No More Nails" (a similar product to Liquid Nails for Projects). Then I shaped the mountains with a Surform cutter and a thin bladed utility knife. When I had the mountains in the shapes I wanted I trowelled a thin coat of drywall compound over the works. After it dried I lightly sanded it and added another coat. Another light sanding and a final coat where I tried to leave some realistic striations in the cliff faces. The plaster was necessary to give a base for the Liquid Pigment Earth Undercoat. In places where I wanted a smooth link between the mountains and the "ground" level, I used liquid foam. I dries in about 24 hours and can be carved and plastered the same as the rigid extruded foam (it stinks a bit so I recommend good ventilation for that part). <br /> <br />Trevor [:)]
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