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What is the best way to "undo" modelling glue. Now that I've got my CSM all put together I'd actually like to change some of the stuff and was wonder how or looking for tips to break that bond......without actually literally breaking it.
If it's polystyrene cement (plastic glue) then the bond that is formed is usually about as strong as the plastic itself. You will need to use a modelling knife to literally cut through the area. If it is superglue, you can usually just pull the pieces apart - but do not actually "pull" them. Usually, it is easier to rotate the pieces as the glue does not have such a good strength in that direction. So for example with an arm glued to a torso, rotate the arm in the socket rather than trying to separate the two pieces by pulling the arm perpendicularly away from the body.
The best advice of course is to use blue-tack first, then you'll avoid this problem
OMG, if you used plastic glue your skrewed. if you used super glue just take chandrila's advice.
That is not dead which may eternal lie,
for in strange aeons even death may die.
There are commercial superglue "de-bonder" agents available out there. Z-7 debonder, from Zap comes to mind quite readily, although there's likely to be all sorts of variations out there.
Really though, as the others have said, superglues tend to have really poor shear strength - simply twisting the joints apart should usually do the trick. Just be cautious, you don't want to break parts if the glue proves stubborn!
If you've used plastic glue... Well, you're not screwed, but be prepared for some work. Some plastic glues aren't that bad to break apart (the cheap ones), and some can be nearly impossible to break apart (the good ones). Which category your glue falls into really affects whether this will be merely tricky, or downright hard.
You can try prying things apart with a sturdy knife blade or a small screwdriver for starters. If you're lucky, this might be all you really need. Next step up is to try carefully cutting at the joint and prying a bit to see if it'll let go. You could also try drilling a few small holes into the joint with a pinvise to weaken it.
After that, subtlety tends to go out the window - prying at parts with your clippers can work nicely, and barring that, just try whatever you can think of as a prying implement. Last resort? grab a knife or a saw, and just try to cut the part off with as little damage to the rest of the model as possible.
In any case, if it comes down to forcefully removing parts, be prepared to patch up any damaged areas you might create - it's neither a terribly precise or gentle solution.
"Hey dude, check out these black templar upgrade boxes I got, Aren't they awesome!? Now, can you help me swap the arms and shoulderpads on these 30 marines?"
Boy was that good fun
From this recent experience, I've learnt that trying to remove plastic parts is a pain in the ***. For arms I used a hobby knife and cut the 'join' between the torso and arm, but if your gonna do this BE CAREFUL because taking out half a shoulderpad is really easy:/ Heads and the actual shoulder pad are usually pretty hard, as are the leg and torso joint, due to the surface area. Actually, the more glue you used, the harder it's going to be. But it's not impossible mate, just really frustrating. Metal, however, seems to fall apart if you even breathe on the superglue, so I wouldn't worry about that.
One more thing, now this could be TOTALLY untrue and pointless but one day I was soalking a plastic model in methylated spirits, to see if that removed paint. I left it overnight and when i took it out the following morning, it just fell apart. Now this could have been due to me not using enough glue, ghosts, the Dutch, but it might loosen the bond. Im NOT, I repeat, NOT sure about this, but it's happened a few times.
Anyway, good luck to you mate.
Kabal of the Twilight Blade - Host of Tecpatl - Salamanders 3rd
hey thanks for all great idea's guys, i hope to get started on this project today. luckily i hadn't gotten around to getting all the shoulder pads or backpacks on my guys yet so at least without all that in the way i won't have to worry about slicing right through something i didn't want to.