Layered Rock Mold

Stacked Plaster
I live in Central South Carolina and I don’t have much in the way of rocks I can make molds from. I poured layers of plaster into a Pyrex Baking Dish – which I then broke and stacked to make a ‘shale’ rock face plug. Made a latex mold of that. It came out pretty good I think.

Close-up of the ‘plug’. I sprinkled baking soda into the crevices and used a thin super-glue to help fill the crevices. Larger spaces were filled with some Sculpey.

Here’s the mold on top of the plug with a painted casting. The car is 1:50 for reference
Close-up of a 1:48 car alongside the plug. Looking at this the only thing that comes to mind that I would do differently is perhaps some thinner layers.
A 1:50 car alongside the casting. Kinda appears dark .. some dry-brushing would probably make the rock ‘pop’.
Casting Close-Up
.. and a close-up of the casting. I wasn’t satisfied with the coloring but the layered rock effect I am pretty happy with.


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