I'm answering my own question from a while back about good sculpting alternatives to bondo. The answer is Patching Plaster. Very easy to control and extremely sandable. You can carve out incredible detail and if there's a problem, really easy to sand off and try again without having to mix...
Is there an alternative to Bondo when it comes to detailing? I just almost ruined a pepakura (with resin and fiberglas enforcement) recon helmet that I made twice for scaling. I Resined an entire suit and reinforced the inside with fiberglas. Now I'm stuck. This Bondo is absurd. I'm a pretty...
One more question. I used a spray paint clear coat on the cardstock and you can't even tell there's a clear coat on it. Is it safe to coat it with resin anyway? I'd test it but I only have a few brushes.