Gundam Planet - Brush Type Gundam Marker for Panel Lines

HG Darilbalde (complete) : r/Gunpla

Mr. Hobby - Pour Type Gundam Marker [Black], GSI Creos Gundam Marker (GM301P) : Toys & Games

The latest Gundam Marker set features new paint markers specifically tailored to your Gundam IBO kits! The set contains shades of Red, Blue, Yellow

GMS123 Gundam Marker Iron Blooded Orphans Set (Set of 6)

Gundam Planet - GMA01 Gundam Marker Airbrush System

Here's a set of thin-point Gundam Markers that are specifically designed for getting details in hard-to-reach places like the eyes and verniers! The

GMS110 Gundam Marker Thin Point Set (set of 6)

Sanding tips : r/Gunpla

Plastic Scale Modelling, OT, Gunpla and Everything Else, Page 121

Love these pour type Gundam Markers. They can be messy tho. : r/Gunpla

The latest Gundam Marker set features brand new pour types perfect for detailing panel lines in a variety of colors! The set features GM302 and GM303

GMS122 Gundam Marker Pour Type Set (Set of 6)

Use for inking to trace hollow lines. It g gives the model a three-dimensional feeling and makes it appear more realistic. The effect is stronger when you choose the color to ink according to the color of the model parts. In general, you can use black for dark parts, grey for lighter parts and brown for red parts.