Cardboard Train

Cardboard Train is a cozy SD Gundam playmat scene built around Gundams playing with little human toys.

Collection

The Witch from Mercury

Year

2026

Medium

AI-assisted digital illustration

Print size

22.6 × 12.8 in

Artist

Mack Heinz

Series

The Witch from Mercury

Format

Gundam Card Game playmat

Print master

22.6 × 12.8 in at 300 DPI

Credit

Concept, art direction, selection, and print preparation by Mack Heinz.

• Gundam fan art
• SD Gundam
• playmat design
• The Witch from Mercury

Unofficial Gundam fan art. Not affiliated with or endorsed by Bandai Namco or Sunrise.