I'm working on a short that has talking tree's. I figured replacement mouths was the best way to accomplish talking. What I did for the pictured tree was chisel out a trench, fill it with super…Continue
"Just read through the original thread. Nick suggested creating the back shape in epoxy putty, then sculpting on top with Super sculpey, to avoid the distortion that is like with just Sculpey.
I think this might be your best method, because the…"
"I'm not sure you should be sculpting in milliput, which is quite tricky to manipulate. Super Sculpey is a polymer clay that sculpts really well, so you could sculpt the faces directly in that, then bake them to harden.
I would still make the…"
"Haven't heard of fastcast or bluestuff before, I'll have a look. I've used silicone, foam and alginate for moulding in the past. I'd got it into my head that I needed something special because I hadn't seen anything…"
"Have you considered casting in Fastcast resin? This is a hard resin that you pour into a mould. It sets very quickly and can then be painted. For replacement mouths you don't really need foam.
If I were doing a cast of the mouth, I would create…"
This is an update of sorts to an older thread (http://www.stopmotionanimation.com/forum/topics/replacement-tree-mouth) as I've gotten some more time to work on things. What I'd like to be able to do is replicate these faces fairly accurately so that even in the low light I'm going to be shooting them in they look good. Using milliput it's proved quite tricky to get the faces looking the same at the end. Will…See More
"You may be working too hard on this. I did something similar but sculpted replacement pieces with push pin embedded in them that fit on top of the tree (not embedded in the tree).
Then all you have to do is pop off one mouth…"
"The layers don't need to be thick, as long as you can be sure there are no gaps. Sometimes, I put more wax over the pva, then another coat of pva on top of that, so there are two layers of each.
Of course, there must be no…"
"Thanks for the suggestions. The hole's already tapeared with sanded adn epoxied sides. I always forget epoxy putty can be used for anything other than making armature bones, will give sculpting with it a try and post progress. What's…"
"I would suggest a heat gun to partially cure the super sculpey so that it can be removed and baked. My concern is that with the sap and small limbs on your tree that you run a big risk of burning the tree. Maybe try a hair dryer. It will go rubbery…"
"Some thoughts on it...
Partly a materials problem - Sculpey will be soft until you bake it, so taking out of the tree will probably distort it. Then you try to straighten it but you can't tell if it is perfect once it is out of the tree.…"
I'm working on a short that has talking tree's. I figured replacement mouths was the best way to accomplish talking. What I did for the pictured tree was chisel out a trench, fill it with super sculpey then sculpt a mouth but getting it out and baking it is proving problematic. Not sure if it's a methods issue or a materials issue. See More
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