First try with a gundam marker. The results are... Well i think I'll just throw it out, the point is really too big. Maybe I've bought the wrong size :\ : r/Gunpla
GSI Creos Black Fine Point Gundam Marker : Toys & Games - Amazon.com
Amazon.com: GSI Creos Black Fine Point Gundam Marker : Toys & Games
Amazon.com: GSI Creos Gundam Marker 3 Types Set Clear Gloss, Clear Matte, Gundam Plated Silver With Kanji LOVE Sticker, 7.87 x 0.39 x 2.36 in : Arts, Crafts & Sewing
Amazon.com: Mr. Hobby GSI Creos Gundam Marker EX White Gold XGM07 and Yellow Gold XGM08 With Original Stylus Ballpoint Touch Pen : Arts, Crafts & Sewing