You can’t use a regular panel line marker for a painted Gunpla kit (well, you can try but no guarantees that it will look very good)! So what’s a modeler to do? Today, contributor Megaplamo shows us how to do a panel-line wash for painted Gunpla models: You did it! You painted your first kit!
How to I panel line in red? With tiny brush? : r/Gunpla
first time panel lining : r/Gunpla
I fugged up. Thought you could panel line over clear coat. Sniper
Plastic Scale Modelling, OT, Gunpla and Everything Else, Page 84
How to Get Into Gunpla–The Best Gundam Model Kits for Beginners
Tools of Mass Gunpla Building! – Gunbies
First time panel lining. Started a week ago with Gunpla, and now
Panel-line Wash using Tamiya Accent/GM01 & Enamel X-20 Thinner
Panel Lining for Gunpla 101 - Gunpla 101