Gunpla Seam Line Removal Guide: How to Get Rid of Ugly Lines on Your Kits (2026)
If you’ve ever assembled a Gunpla kit and noticed a faint (or not so faint) line running across a forearm, a leg, or a head piece — that’s a seam line, and it’s one of the most common frustrations for Gunpla builders of all levels. The good news? Gunpla seam …