5 model

Free

Basic Dungeon Tiles For D&D

Thingiverse

Free

Interlocking Dungeon, Village & River Terrain Sampler (6 free tiles, 1-inch grid)

Thingiverse

Free

Dungeon Tiles (thin)

Thingiverse

Free

3 inch template for dungeon tiles

Thingiverse

Free

3 by 3 Dungeon Floor Tiles

Thingiverse