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hi all just a few questions about green stuff :o
1) what is green stuff like for making a mould with?? :huh:
2) is it any good for duplicating faces on current GW models??
by making a mould for conversions etc! not copyright!
3) does the green stuff chip or crack when taking it off the
original piece which you plan to make the mould from?
4) WILL it WORK on highly detailed GW models again for
conversion?? not copyright!
if anyone knows please let me know
By making a mold, I take it you mean mix up some greenstuff, press the original into it, and let it harden?
If that's the case, its not the best stuff to use. It's too sticky most of the time. You can deal with it by wetting the original before pressing it into the greenstuff. The next problem is it dries very hard.
The best molds are slightly flexible to aid in removing the cast. Silion rubber is probably a better bet. You'd have to use the right silicon mix depending on what you plan to cast. White metal is obviously very different from epoxy resin.
However, a hard mold is good to use it the casting material is somewhat stiffer, such as greenstuff itself. You can make a greenstuff negative cast (push the original into the GS) Once hard, you make casts by pushing GS into the mold you already made. A light oil is good to keep the two from sticking together. However, this is not very good for detailed casts or anything with long extensions. It is also only good for one sided casts.
My suggestion is to stick with resin for casting material and use silicon rubber to make the molds. There is so much involved you should read up on it a bit before starting. One place you can start is Hirstarts.com Look in the instructions for mold making basics.
It's really easy, somwhere on my site there is a whole tutorial on this, and I must say I use this technique quite often, one things from Dark Eldar faces (and boobies! to Space Marine Purity Seals. Goes good as far as little parts are concerned.
I wouldn't suggest to use greenstuff for moulding projects--too sticky and you won't be able to remove the original model from it.
I have a question too:
How can I sculpt the greenstuff? I mean I'd like to make some faces out of it, but it's like rubber, so I can't... I've tried to use multiple layers of GS but I failed...
<img src='http://www.guywinters.com/rachel/gross.jpg' border='0' alt='user posted image' />
Please do not get annoyed on my spelling: i am not a native speaker...
You need water. Water and it will not stick to the model, the cast will not stick to the mold etc. It works!
You need a sculpting tool and water it often if you want to sculpt anything that looks like a face.