I am going to make silicon hands for my foam latex puppet. I am wondering which material I should use to make the hands sculpture, which I need more details and smooth skin. I guess it may have two choices:
1. Firm Plasticine (NSP)
2. Super Sculpey
I saw some youtube videos (maybe Claykids) on how to make mold for hands. Their hands are very detailed but the color is more like Super Sculpey.
Does anyone have experience with this?
Monster Clay is good for sculpting fine detail, and is sulphur free. It seems to have more wax in it than most clays. Chavant NSP is also good.
Super Sculpy is a bit different to sculpt with. I find it hard to work with, if you scrape the surface it tends to drag a big piece of the clay along and lose shape, unlike plasticine clays. So I always have to work in two stages. First I make an under-layer and bake it, so it is hard and holds its shape, then I add a small layer of new Sculpy on to the surface to finish the sculpting and get the detail. But many artists do fantastic work with Sculpey and other polymer clays, and get really good surface detail. Maybe with the fingers modelled over wire, you could get a good finish and not have to bake it. I don't know, I have not made small puppet hands with Sculpey, only puppet heads. I am thinking that you want a hard mould of plaster or resin to cast silicone hands in, so you probably want the Sculpey to still be soft when you make the mould, to get it out easily.
Work backwards from the end product. You want silicone (soft) hands. That means a hard mold. If you make a hard mold, it should be against a soft sculpture material. So you would NOT want baked Sculpey.
I recommend plasticine or monster clay. You can use scraping tools and heat gun to melt the sculpture to remove it from the hard mold.
Don't use plasticine, as it contains sulphur and will inhibit the silicone. But Chavant is good, and Monster clay too.