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Blue geometric-shaped clay sculpture being trimmed with pliers to remove nub marks in gunpla modeling
Every Gunpla builder hits the same wall: you clip a part, sand it down, and there’s still a white stress mark that won’t go away. The problem isn’t your sanding — it’s your cut. This guide covers the two-cut method, the correct grit sequence, and the tools that make nub marks disappear for good.
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