Forum adverts like this one are shown to any user who is not logged in. Join us by filling out a tiny 3 field form and you will get your own, free, dakka user account which gives a good range of benefits to you: No adverts like this in the forums anymore. Times and dates in your local timezone. Full tracking of what you have read so you can skip to your first unread post, easily see what has changed since you last logged in, and easily see what is new at a glance. Email notifications for threads you want to watch closely. Being a part of the oldest wargaming community on the net. If you are already a member then feel free to login now.

Hello, O great and all-knowing internet!

I have got my hands on some instant mold and just cast up my first bitz out of greenstuff. It's the exact same stuff GW sells, although I can buy it online much cheaper. Is there some other material that is more suitable though? Greenstuff takes a long time to fully harden. I've heard people mention 'brown stuff', epoxy putty, and milli-something, I don't know much about working with these materials.

Any advice is much appreciated.

I've used JB Weld's KwikPlastik works... sometimes, but it smells horrible.

And you're thinking of milliput. Any sort of 2 part epoxy would work (Green stuff is a form of this)

You can 'bake' green stuff with a heat lamp, or in a cooling oven to greatly speed their drying time.

Brown stuff is like green stuff, but harder. It doesn't bend, takes corners better, and can be sanded/filed. Typically you would use brown stuff for hard objects like gears and swords, and green stuff for soft objects like flesh and clothing.

They are both an epoxy putty, as is milliput, though I don't know much about its characteristics. You can also use liquid epoxy or resin if you really want to hold detail.

For certain items, especially large ones, you dental stone/plaster. It holds details well, but not as well as resin. It is very hard and very cheap. I don't think it does thin well though.

I'll be trying this at somepoint so I dont know how well it will go yet lol why not try resin? you can get it pretty cheep of ebay ^_^

Instant Mold is heat reactive, correct? So using a lamp may cause distortions in your cast. Same problem with resins, since most generate heat as a byproduct of the chemical reaction so probably not the best thing to use.

You're probably best off using greenstuff. It's malleable enough to pressmould easily and as long as you leave it alone will cure up in about 2-3 hours. Brownstuff is less malleable. I haven't used JB Weld's Kwik Plastic, or even seen it for that matter. What do you mean that it works sometimes, Alf?

I use por15 epoxy putty because it is the cheapest material I can find, you can get a pound of the stuff for a little over $20 and it works really well with Instant Mold. I am not sure if you will be able to find it if you are over-seas and shipping will of course change the monetary equation. One suggestion would be to visit your local plumbing or paint store - not necessarily a big box store but a store that specializes in paint or plumbing supplies and you may be surprised at what you find and it may be a good price, that's how I came across por15.

Thanks very much for the advice guys. I know my instant mold is not suitable for resin and I dare not put it under a lamp, so I will look up pricing of brown stuff and this por15.

Cheers again.

Ive used the jb weld kwikplastic, and it does well if the original mold is well made. Just make sure to let it cure fully to get as much detail as you can.

Greenstuff has worked well for me. I've also used milliput for when I need something to be long and skinny.

I have Instant Mold, and I have used it quite a bit.
Green Stuff is what you want, yeah it takes several hours to harden, but if you are worried about it you can just create multiple molds of whatever you need and make multiple casts at once. Frankly, several hours is not that long.

There are several other kinds of putty out there, but I found all others poorly suited for miniature modelling.

 Alfndrate wrote:
I've used JB Weld's KwikPlastik works... sometimes, but it smells horrible.

And you're thinking of milliput. Any sort of 2 part epoxy would work (Green stuff is a form of this)

Oh gosh yes, JB PlastikWeld smells SO BAD! For DAYS!

Lock this thread please, bad necro is bad. 5 years is impressive.