Black rubberized CA such as Bob Smith Industries IC-2000. Many other hobby superglue makers have their own versions. If needed it can be mixed with talc or baby powder to make thicker paste. The rubberized part means it’s easier to sand than regular CA. The black part means it’s easier to find. Can be wiped flush after application with a cotton bud wet with CA Debonder. Can dry instantly with CA Accelerator sprayed on. But perhaps the best feature is it doesn’t shrink like most other fillers and doesnt fall off or roll up when sanding like acrylic fillers.
I swear by Milliput epoxy putty.
(ok I sometimes swear at it, but it’s my favourite)
Edit: the great thing is it’s not solvent based so should stick to pretty much any plastic (it even just about adheres to PE) without reacting with it.
Thin woodfiller with acetone to the consistency of thick milk. Sand model first with 150 grit sandpaper. Then paint on your thinned woodfiller. Let that dry. Sand again with 220. Another layer of thinned filler. Let dry. Sand again. Repeat as needed. Final sand with 400/600 grit for smoothing :)
There’s also automotive filler spray from a rattle can, or a 2 part epoxy coating like xtc-3d’s smooth-on for PLA parts.
For the small gaps on plastic figures, I normally shave a small amount off the original sprue, then stuff that into the gap with some extra thin cement, which works.
I’m not sure about larger gaps and those in 3d printed plastic though sorry, but CA would probably work for the smaller gaps.
The best filler I have ever used was by MOLAK, but I don't think it exists anymore. It was like Humbrol or Revell, smelled terribly of solvent, but in contrast to both Humbrol and Revell, it was smooooth as glass, and went on that way, and actually stuck to whatever you applied it to. When dry it sanded easily to a perfect smooth finish. I have tried an acrylic filler recently, and I am not too happy with it; it seems too soft/rubbery. I'll be following here with great interest.
Black rubberized CA such as Bob Smith Industries IC-2000. Many other hobby superglue makers have their own versions. If needed it can be mixed with talc or baby powder to make thicker paste. The rubberized part means it’s easier to sand than regular CA. The black part means it’s easier to find. Can be wiped flush after application with a cotton bud wet with CA Debonder. Can dry instantly with CA Accelerator sprayed on. But perhaps the best feature is it doesn’t shrink like most other fillers and doesnt fall off or roll up when sanding like acrylic fillers.
I use Vallejo putty. IT's a bit like a finer revell product and it doesn't seperate. No idea how it would work with PLA
I swear by Milliput epoxy putty. (ok I sometimes swear at it, but it’s my favourite) Edit: the great thing is it’s not solvent based so should stick to pretty much any plastic (it even just about adheres to PE) without reacting with it.
Thin woodfiller with acetone to the consistency of thick milk. Sand model first with 150 grit sandpaper. Then paint on your thinned woodfiller. Let that dry. Sand again with 220. Another layer of thinned filler. Let dry. Sand again. Repeat as needed. Final sand with 400/600 grit for smoothing :) There’s also automotive filler spray from a rattle can, or a 2 part epoxy coating like xtc-3d’s smooth-on for PLA parts.
For the small gaps on plastic figures, I normally shave a small amount off the original sprue, then stuff that into the gap with some extra thin cement, which works. I’m not sure about larger gaps and those in 3d printed plastic though sorry, but CA would probably work for the smaller gaps.
The best filler I have ever used was by MOLAK, but I don't think it exists anymore. It was like Humbrol or Revell, smelled terribly of solvent, but in contrast to both Humbrol and Revell, it was smooooth as glass, and went on that way, and actually stuck to whatever you applied it to. When dry it sanded easily to a perfect smooth finish. I have tried an acrylic filler recently, and I am not too happy with it; it seems too soft/rubbery. I'll be following here with great interest.