My sister wanted some suction tunnels for her fish tank. There's slots on top and texture all around for moss to attach to / hang through.
We decided on PETG, but do your own research about what filaments are safe for aquariums.
aquarium_pipe_v2.STL | 351.8KB | |
aquarium_pipe_v2_short.STL | 217.7KB | |
cave.STL | 539.1KB |