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I am new to sculpting and was wondering if anyone had any experience using sculpey. I have been looking online for a place to find this information, but have not been successful.
1. So, I just finished my first sculpture and am ready to bake the sculpey. However, I am not sure how long I am supposed to leave it in the oven for - I know it is 15 min per 0.25 inch, but my sculture is not uniformly thick, some places are pretty thin and others are thick. How do I determine what a good curing time is?
2. For those who have used primo sculpey, how is it suppossed to feel after a successful curing? Firm? flexible? AKA how will I know it's "done"?
3. After curing, I plan on painting it. I bought some spray paint to give the sculpture a uniform color and some acrylic paints to paint in details. How long do I let the spray paint sit on the clay before using acrylics over it?
4. I bought some matte varnish to seal in the clay afterwards. Can I directly spray this on when the acrylics dry? How long should I let the matte sit before that step is done?
I am not sure if this was the right place to post this, so I apologize if it isn't. However, any help is greatly appreciated. Thanks in advance,
I'm no expert. but
Bake according to the thickest part. The smaller areas might burn a little and discolor.
When its baked and cooled off it should be solid. That reason you baked it after all
I wouldn't recommend using spray paint. Get a nice Hobby primer. Don't use a car primer. Car primers are designed to fill in bumps and scuffs the hobby primer is a finer gain and will keep more detail.
Im to lazy to search for the thread myself but http://www.shiflettbrothers.com/forum/index.cfm
most likely will have the any information you need and then some.
Hope it turns out ok
A word of advice: Whatever the box or packaging says for temperatures, it's usually an underestimate.
Now, I'm going off of my experiences with super sculpey and super sculpey firm, so I dunno how different the Premo brand might be, but it's probably roughly the same chemical ballpark.
Most temps listed on the boxes and all that are too low to properly cause strong chemical bonding and cohesion. So, say for instance, that Super Sculpey figurine you made that just came out? The one that is still a pink fleshy color? Yeah, it might not be cured all the way, and be a bit brittle because of it.
Here's a method that (at least with SS) turns it into a hard, well cured dark caramel color...It's sturdy, and should be a lot less prone to breaking from stress or an accidental bump.
1) Start at 225 and leave the sculpt for an hour. You probably want to put the sculpt in there when the oven is cool so it can warm up with it, as opposed to throwing it in there when it's hot.
2) Crank it to 250 for another hour.
3) Crank it again to 275 and let it cook anywhere from 1-3 hours. This step is really based on how big the sculpt the is, the parts on it, etc. Again, since I dunno what other colors turn into if baked for long enough, this is where that pink super sculpey color changes into a nice dark caramel. Keep an eye on it at this point, and after the first hour, I'd advise checking it regularly to make sure it's not being burnt.
4) Shut off the oven, and let the sculpt cool down inside the oven. Check back in a couple of hours, when the whole oven is practically cold. You don't want to expose the sculpey to different air temperatures, that's one of the easiest ways to get stress cracks. Let it cool down with the oven, and it'll firm up nicely.
If there's a REALLY thick area of the sculpt, pretty much do the same steps as before, just maybe step up from 250-275 a little slower. Kinda hard to do on some ovens, but it's a safety step to make sure nothing cracks from stress.
As for thin areas, wrapping some pieces of tinfoil around it seems to do the trick for me. I'd try and really make sure none of the thin areas are near the heat coils/flame of the oven, since that's almost a guaranteed way to burn 'em.
I started a degree as a modelmaker (loved it, but it wasn't for me) and a friend of mine introduced me to super sculpey. It's awesome, buyitbuyitbuyit. But more to the point, it's pretty much perfect for small scale sculptures. I'm sure you know that...
But one tip with regards to "colouring it in" which may help you also with your sculpting technique is to mix it with fimo clay. I haven't done it myself, but they're pretty much the same thing, so they mix well. I don't, however, know how the sculpey affects the vibrancy of the fimo. Try it out with one block of fimo and let me know how it works out.
Personally I really like the colouring of Super Sculpey. Nice earthy tone that looks good for prototypes, but colouring with fimo is good for something more permanent. =]
Hope that helps!
has any of you guys tried using any softener for finish other then the sculpey softener?,
I'm planning to use thinner or asethone for finish but not sure if the chemicals affect to the baking characteristics of the matterial. help me out here..thx.