I originally intended to use a 5-minute epoxy and acetone mix for the water, but I can no longer find really cheap and nasty epoxy — I used to be able to get 40ml syringes for just a couple of bucks, but now the cheapest ones I could find are closer to ten. So, instead I used polyester casting resin, which costs about thirty bucks for a 250ml can.
There are down-sides to using the polyester:
- First, it stinks to high heaven while it's curing.
- Second, the disposable plastic cups I used for mixing are dissolved by it — I had to do a rapid transfer into another vessel before it ended up all over everything.
- Third, it's very, very clear, which would normally be a good thing, but for this purpose it could have done with being a bit more murky. I added some colouring, but not quite enough, so the water looks more lake-ish than boggy.
- Fourth, it's quite a bit thicker than water, so the meniscus is more pronounced, and it takes a bit of persuasion to flow into all the nooks and crannies. However, I was pretty much expecting that and I'm not heartbroken by it.
The vehicle in the picture is my 3d-printed 1/100 scale Burford-Kegresse machine-gun carrier.
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