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Faster Plaster Caster Car Wrecks
Copy your favourite car model... and smash it!
by Arjen Pilon

To be honest, this never was my idea.

I borrowed the technique from Kishkumen from Terragenesis

He made stacks of wrecks using this method and when I saw his results I knew I had to try this for myself.

Making a plaster wreck is fairly easy. First, you will need to gather some model cars to use as a master, next, you will need some aluminium foil to make moulds, and finally you need plaster to cast your wrecks.

Take the car model you want to use as a master, then rip off a suitably large piece of aluminium foil and push it around the car model to form a mould. Try to pick out the details like the wheels and the windows, but don't bother too much about the finer detail.

The end result will be crude and it's the broad impression that counts.


When the mould is ready cut off the excess foil and carefully remove the car from the mould. If there are any holes in the mould fill them with glue at this stage.

Next, carefully bash the mould with a blunt tool to smash the 'car' to a crumpled version of it's original self.

In general, a more smashed up car will look better when painted (and stacked) than a nearly whole one.

When your mould is ready it's time to fill it with plaster, but since the mould itself isn't sturdy enough to hold the weight of wet plaster you'll need to place the mould in a box of sand to help it keep it's shape.

Pour the plaster into the mould (you can mix some wood glue into the plaster to give it more strength), taking care that the underside of the car is level and that the mould is filled to the brim, otherwise you'll have half a wreck (though you could still use these as half-buried wrecks).

Wait about half an hour for it the plaster to harden, then take off the foil and with a crude hard object like a screwdriver or sturdy knife scrape away any unnecessary blobs of plaster from the car.

You'll have some excess plaster especially at the bottom and if the wheels didn't form completely you can scrape these into holes as well.

When you are done leave the wrecks to dry thoroughly until they're ready to be painted!

Plaster requires some preparation before painting since plaster is very porous. I give mine a coat of wood glue before spraying them black.

Since I wanted many wrecks I kept the paintjob simple: a basic colour, a drybrush with a much lighter colour to bring out the crumples, details like bumpers and door handles in metal or black, a wash of brown paint and finally I paint the tyres (if any), windows and outlines of doors and hoods black.

I've tried drybrushing them with metal paints but it didn't look very convincing.

Being made of plaster they remain fragile and dropping them will usually mean you have quite some repainting to do, so they will need to be handled with care.

I made thirteen in total and though I've been tempted to glue them into stacks I kept them loose so they can be used as a more versatile piece of terrain suitable for building settlement walls, barricades and mazes.