• Cavern terrain encounter made from unpainted gray PLA shows a rocky cave entrance surrounded by tall stalagmites and connected by narrow wooden plank bridges. The scene includes a raised stone landing platform and rugged cavern platforms forming a dangerous path across the underground chamber. Scaled for 28 mm tabletop terrain and aligned to a 1-inch grid. The suspended bridges and jagged cavern stone create a tense underground crossing perfect for ambushes and guarded dungeon passages.
  • Cavern terrain encounter made from unpainted gray PLA shows a rocky cave entrance surrounded by tall stalagmites and connected by narrow wooden plank bridges. The scene includes a raised stone landing platform and rugged cavern platforms forming a dangerous path across the underground chamber. Scaled for 28 mm tabletop terrain and aligned to a 1-inch grid. The suspended bridges and jagged cavern stone create a tense underground crossing perfect for ambushes and guarded dungeon passages.
  • Cavern terrain encounter made from unpainted gray PLA shows a rocky cave entrance surrounded by tall stalagmites and connected by narrow wooden plank bridges. The scene includes a raised stone landing platform and rugged cavern platforms forming a dangerous path across the underground chamber. Scaled for 28 mm tabletop terrain and aligned to a 1-inch grid. The suspended bridges and jagged cavern stone create a tense underground crossing perfect for ambushes and guarded dungeon passages.
  • Cavern terrain encounter made from unpainted gray PLA shows a rocky cave entrance surrounded by tall stalagmites and connected by narrow wooden plank bridges. The scene includes a raised stone landing platform and rugged cavern platforms forming a dangerous path across the underground chamber. Scaled for 28 mm tabletop terrain and aligned to a 1-inch grid. The suspended bridges and jagged cavern stone create a tense underground crossing perfect for ambushes and guarded dungeon passages.
  • Cavern terrain encounter made from unpainted gray PLA shows a rocky cave entrance surrounded by tall stalagmites and connected by narrow wooden plank bridges. The scene includes a raised stone landing platform and rugged cavern platforms forming a dangerous path across the underground chamber. Scaled for 28 mm tabletop terrain and aligned to a 1-inch grid. The suspended bridges and jagged cavern stone create a tense underground crossing perfect for ambushes and guarded dungeon passages.
  • Cavern terrain encounter made from unpainted gray PLA shows a rocky cave entrance surrounded by tall stalagmites and connected by narrow wooden plank bridges. The scene includes a raised stone landing platform and rugged cavern platforms forming a dangerous path across the underground chamber. Scaled for 28 mm tabletop terrain and aligned to a 1-inch grid. The suspended bridges and jagged cavern stone create a tense underground crossing perfect for ambushes and guarded dungeon passages.
  • Cavern terrain encounter made from unpainted gray PLA shows a rocky cave entrance surrounded by tall stalagmites and connected by narrow wooden plank bridges. The scene includes a raised stone landing platform and rugged cavern platforms forming a dangerous path across the underground chamber. Scaled for 28 mm tabletop terrain and aligned to a 1-inch grid. The suspended bridges and jagged cavern stone create a tense underground crossing perfect for ambushes and guarded dungeon passages.
  • Cavern terrain encounter made from unpainted gray PLA shows a rocky cave entrance surrounded by tall stalagmites and connected by narrow wooden plank bridges. The scene includes a raised stone landing platform and rugged cavern platforms forming a dangerous path across the underground chamber. Scaled for 28 mm tabletop terrain and aligned to a 1-inch grid. The suspended bridges and jagged cavern stone create a tense underground crossing perfect for ambushes and guarded dungeon passages.
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Centrion 3D Studios

The Hollow Gate 28mm – 3D Printed Unpainted PLA Cavern Terrain Bridge Encounter for Tabletop RPGs, DnD, Pathfinder & Wargaming

The Hollow Gate 28mm – 3D Printed Unpainted PLA Cavern Terrain Bridge Encounter for Tabletop RPGs, DnD, Pathfinder & Wargaming

$40.50 USD
$40.50 USD
Sale Sold out

WHAT’S INCLUDED
2x Cavern Terrain Tiles (Cave Entrance + Stalagmite Platform)
2x Wooden Cavern Bridge Walkways
1x Stone Slab Landing Platform

OVERVIEW
A shadowed cave mouth opens beneath towering stalagmites where a precarious bridge route marks the entrance to the deeper caverns below.

The Hollow Gate creates a natural choke point for ambushes, guarded passages, and dramatic underground encounters.

FEATURES
Large cavern entrance tile with natural rock and stalagmite formations
Two modular wooden bridge walkways for vertical cavern crossings
Separate stone landing platform with carved stone texture
Designed for modular dungeon and cavern terrain layouts
Perfect for chokepoints, bridge fights, and guarded cavern entrances

GAMING SCALES EXPLAINED
We build for a 1-inch grid with a 28 mm standard scale. Most gaming miniatures’ bases fall in the 28–32 mm range, and doorways on our buildings are typically 38–40 mm tall.

If you’re unsure about fit, message us — we’ll make sure it matches your table.

ADDITIONAL INFORMATION
Material: PLA (biodegradable thermoplastic)
Printed using FDM technology for strength and precision
Ships unassembled and unpainted
Slight color variations may occur between filament batches
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WHO IS CENTRION STUDIO
We’re a small workshop in Pennsylvania’s Endless Mountains, crafting worlds for storytellers, gamers, and builders. Every piece we design is born from the same passion we bring to our own tabletops — custom terrain, parts production, and 3D design built for the imagination.

Bring your story to life.

Materials: PLA, Plastic, 3D Printed.

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