Benzin ninja Posted June 6, 2013 Share Posted June 6, 2013 Yesterday I decieded to faff about with greenstuff, and wound up making some sort of mohawk-like device on top of a Space Marine head. But now that I painted it, and the paint has had some time to dry, I find that my white has cracked here and there. So what I would like to know is; does Greenstuff expand while hardening, or should I go and check if i've mixed my white up with mayonaise? Link to comment https://bolterandchainsword.com/topic/276533-greenstuff-hardening-behaviour/ Share on other sites More sharing options...
Chaeron Posted June 6, 2013 Share Posted June 6, 2013 Greenstuff can take 24 hours or more to properly cure. It's possible it wasn't dry and therefore didn't adhere properly - but equally, was it primed prior to the application of paint? That may also explain why it hasn't been a perfect coat. Link to comment https://bolterandchainsword.com/topic/276533-greenstuff-hardening-behaviour/#findComment-3389056 Share on other sites More sharing options...
Benzin ninja Posted June 6, 2013 Author Share Posted June 6, 2013 It was not primed. At the moment i'm just trying out things. Nothing definitive has been decided just yet. Also, it most surely did not cure for 24 hours. 30 minutes at best. Link to comment https://bolterandchainsword.com/topic/276533-greenstuff-hardening-behaviour/#findComment-3389076 Share on other sites More sharing options...
Grotsmasha Posted June 6, 2013 Share Posted June 6, 2013 At an absolute minimum, I'd leave greenstuff for at least 5-6 hours, even then overnight is best. Cheers, Jono Link to comment https://bolterandchainsword.com/topic/276533-greenstuff-hardening-behaviour/#findComment-3389126 Share on other sites More sharing options...
Durus Posted June 7, 2013 Share Posted June 7, 2013 It was not primed. At the moment i'm just trying out things. Nothing definitive has been decided just yet. Also, it most surely did not cure for 24 hours. 30 minutes at best. At that stage you can still go back to sharpening details in your sculpt. Another thing to consider is that it stays somewhat flexible when dried, so if you do something fine that stands exposed or has to support it's own weight (like a huge punker mohawk or a cape) consider using a wire armature. The paint will crack on moving surfaces too. Link to comment https://bolterandchainsword.com/topic/276533-greenstuff-hardening-behaviour/#findComment-3389214 Share on other sites More sharing options...
Benzin ninja Posted June 7, 2013 Author Share Posted June 7, 2013 Of course, the flexing, why didn't I think of that? The huge punker mohawk I am making must've been flexing when handling the head. Thanks for clearing that up :) Link to comment https://bolterandchainsword.com/topic/276533-greenstuff-hardening-behaviour/#findComment-3389342 Share on other sites More sharing options...
WarriorFish Posted June 7, 2013 Share Posted June 7, 2013 I always leave it overnight, it's an easy way to be sure it has cured :) Got any pictures? Link to comment https://bolterandchainsword.com/topic/276533-greenstuff-hardening-behaviour/#findComment-3389399 Share on other sites More sharing options...
Benzin ninja Posted June 7, 2013 Author Share Posted June 7, 2013 · Hidden by madscuzzy, June 8, 2013 - please do not post offensive materials. Hidden by madscuzzy, June 8, 2013 - please do not post offensive materials. These are the best WIP pics I have, and also how it sits right now. I'm still not sure why I felt so compelled to make a SM flipping the bird, or why he needed to be stabbed. http://peecee.dk/uploads/062013/WP_20130606_0091_big_thumb.jpg http://peecee.dk/uploads/062013/WP_20130606_0081_big_thumb.jpg Link to comment https://bolterandchainsword.com/topic/276533-greenstuff-hardening-behaviour/#findComment-3389420
S.k.i.t.t.l.e Posted June 7, 2013 Share Posted June 7, 2013 Hahahahahahahaha. Awesome. Link to comment https://bolterandchainsword.com/topic/276533-greenstuff-hardening-behaviour/#findComment-3389517 Share on other sites More sharing options...
WarriorFish Posted June 7, 2013 Share Posted June 7, 2013 Hah! He just needs a complementing right arm :lol: Link to comment https://bolterandchainsword.com/topic/276533-greenstuff-hardening-behaviour/#findComment-3389580 Share on other sites More sharing options...
Benzin ninja Posted June 7, 2013 Author Share Posted June 7, 2013 The right arm is probably going to be equipped with a plasma pistol. I'm not sure my mod-fu is strong enough to make an equivalent right arm. maybe the next marine I try modding will be more of a gentleman, with a top hat, a pipe and a cape. Link to comment https://bolterandchainsword.com/topic/276533-greenstuff-hardening-behaviour/#findComment-3389826 Share on other sites More sharing options...
Chaeron Posted June 8, 2013 Share Posted June 8, 2013 Yeah, I'd deffo leave to cure - and then prime before painting. Link to comment https://bolterandchainsword.com/topic/276533-greenstuff-hardening-behaviour/#findComment-3390048 Share on other sites More sharing options...
madscuzzy Posted June 8, 2013 Share Posted June 8, 2013 Green stuff actually has a working life of 2hrs. While it doesn't need 24 hrs to cure, you can do so to play safe. After mixing, these are the rough working times. 0-15mins, sticky and soft: good for sticking onto surface 15-30, not so stick and not so soft: good for making the rough shape 30-1.30, should be decently hard enough to start sculpting 1.30-2hrs, almost hard, great for fine details at this point. If using thin sheets as cloaks and stuff, you can bend them at this point. Some pressure is needed to apply fine details, but fingerprints won't show up easily. You can accelerate the process by added more hardener (blue) or applying heat. Heat application will soften it to mush almost immediately (depending on temp of course. Be careful not to melt plastic) but as it cools, it will harden very quickly. Using heat, you can cut the hardening time to 30mins. Link to comment https://bolterandchainsword.com/topic/276533-greenstuff-hardening-behaviour/#findComment-3390177 Share on other sites More sharing options...
Durus Posted June 8, 2013 Share Posted June 8, 2013 There are some people who use "GS ovens", i.e. a tin can under a lamp with a whole in the side to take models in and out.Use heat only on metal models though. Don't ever try to do this with plastic models, as they might bend and/or melt. Link to comment https://bolterandchainsword.com/topic/276533-greenstuff-hardening-behaviour/#findComment-3390344 Share on other sites More sharing options...
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