>>6951774>panel-lined AlexI've not lined a RD before so I dunno how it's gonna work out, but these pics look to use the regular Gundam Marker fine tipped black:
http://a.co/f4YdJycThat should work just fine, though it might wipe off. I'm gonna try to use some paint instead of hope for the best. I think erasers remove Gundam Marker pretty well.