Shop › Steampunk vent Minature terrain 32mm scale. Image 1 of 5 Image 2 of 5 Image 3 of 5 Image 4 of 5 Image 5 of 5 Steampunk vent Minature terrain 32mm scale. $20.00 Steampunk vent terrain for Miniature games or D&D. Model is 32mm scale 3D printed in PLA, and comes unassembled and unpainted. Add To Cart Added! Steampunk vent terrain for Miniature games or D&D. Model is 32mm scale 3D printed in PLA, and comes unassembled and unpainted.