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scratchbuilding help????


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im in the process of the trial and error thing


i was working on building a in scale mp ultra magnus rifle using a robotech gun as a base with sculpey but when i placed the gun in the oven to bake the sculpey the plastic severly warped. i have read about many people using sculpey with existing plastic pieces in the oven so whats the trick???



also looking fo a good material to work with in the lines of building a sturdy copy of mp-02 card-board trailer i appreciate any advice or help

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I use Games Workshop's "Green Stuff" as it also just cures in air (after mixing the binary compounds). Sets as hard as a rock too.




I've also used some putties that can be oven baked or cured by immersion in boiling water, which would probably be less harmful to other plastics.

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Apoxie Putty/Sculpt is what I would recommend as well. You can't beat the air dry, although it takes longer. No baking burns and NO SHRINkAGE!!! I used Sculpty for years, but I don't think I'd go back now. I have never used Game Workshop stuff but it sounds the same. What ever you can find cheaper.


You can get a form of Apoxie Putty at Home Depot, Lowes... look in the pipe and plumbing area...test it out first to see if you like. It is usually better to get it online in bulk though.

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only problem is apoxy sculpt is fragile, and super sculpt is 10x stronger.


your best bet is to bake the super sculpt at a lower than instructed temp, and less time. leave it in the oven about 10 minutes, take it out, let it cool, then drop it back in for 10 more minutes. at like 175 degrees, your plastic should be fine.

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How fragile are you talking about frenzy_rumble? I've used Green Stuff in structural/load-bearing situations and I've never had any problems at all. It's also sticky enough that you can use it like a space filling adhesive when parts aren't sitting flush. But the main reason I use it is that it takes incredibly fine detail, what with it being made for wargaming miniatures and everything.


I think the best thing you can do Mattimus is to try a couple of different types/brands and get a feel for what works best for you. But if you're planning on building it onto a plastic base, it's probably worth looking for something that doesn't need to be baked at high temperatures.

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  • 1 month later...

Cool idea, MP - For the trailer project, I believe some of the thicker sheet styrene should work ( at least for a mock-up)


A good friend & I printed several of those neat-o 'Paper-Formers' onto some white sheet styrene from the local hobby-shop. Using both .010" & .020" sheets, we built up the figures, reinforcing them internally and making them much stronger / sturdier than even the thicker paper versions. Every figure took over an hour, getting better, tighter & easier with each one.


Hope this helps some. -Another plus - there are some real 'Styrene-Wizards' around to ask for advice / guidance...


*cough* ViagraPrime *cough*

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