Wish I still had some Ecto Cooler from when they were promoting the new movie. Not sure what the shelf life is on that stuff but I’m guessing “indefinite.” I’d be willing to test it, anyway.
I wanted the final product to be a little more resilient than polymer clay, so I decided to take a class in silicone mold making and resin casting,(actually this whole thing has been a bit of an excuse to learn more about that.)
I’ve never tried any kind of mold making before, I was surprised at how much detail it was able to pick up (glad I sanded the head really well.) The ears broke off when I removed the original from the mold, but oh well. I wasn’t planning to hold onto it anyway. Going to have to do a few more casts to try to fix the air bubbles in the ears.