How can you prevent or hide these ugly marks? : r/Gunpla
X marks the Gundam Spot: The Importance of Sanding and Priming
Amazon.com: TAPDRA Soft Material Sanding Sponge Set Sandpaper Making Tool Kit Accessories for Dspiae Gundam GK Military Model (Small) : Everything Else
Removing Nib Marks – Gunbies
Is there anything I can do about leftover nub marks? This is from completely sanding off nubs. : r/Gunpla
Gundam tutorial 01-How to clean up Nub Marks with sanding sponge - YouTube