23 mars 2014

Dragon casting

Making some more dragon parts!

I've made the molds and I'm just now waiting for the first batch of those claws, spikes and horns (in the first picture) to cure.
Waiting for stuff to cure is both really exciting and brings great angst. It might turn out great and that makes you really happy, or the cast comes out completely useless because [stuff] happened and you've now wasted time, materials and money and for a while you feel like maybe the best cause of action is to apply for a job at McDonalds instead.

Anyway, the head and rib-cage cast turned out great


I made slush casts (you slush a small amount of the resin around in the mold until it sets along the walls, instead of filling it completely) to get hollow casts and sanded out the spaces in between ribs and teeth from the inside.

I've only got a few vertebrae left to sculpt and then I can start assembling the bones.


Super-cool frozen glowing Black Lotus progress:










The lotus petal casts turned out like crap. Again, and again and again.
The resin somehow reacts with the mold, forming a layer of bubbles along the surface of the mold in an otherwise bubble free resin.
This kind of silicone should be compatible with the poly-optic, might be that the mold is somehow tainted.
Anyway, after experimenting with a thousand different fixes trying to get a good cast I accept defeat temporarily, and decided to just sand down the failed casts and re-"sculpt" the surface with a dremel.

Anyway, I'm going to paint the petals on the outside of these, stack them and cast them into more poly-optic.
When emerged in the resin they will be crystal clear (well, they are, but the sanded surface makes them appear cloudy) and disappear - leaving only the painted petals visible

It's gonna be great, probably.


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