Nerolith Hollow Cave - Aquarium & Terrarium Branching Sand Trench | Fish Hideout | Shrimp Shelter | Reptile Hide | Aquascaping | 3D Print STL

Nerolith Hollow is a branching trench liner with raised craggy edges that sinks into the substrate and carves an open channel across the tank floor. The arms spread out into several shallow runs, giving fish a sunken route to follow and shrimp a long stretch of exposed rock edge to graze along. Print it in your preferred aquarium-safe filament or resin, rinse it, and place it straight into the tank. The flat underside sits stable on sand or gravel and can be partly buried so the hollow blends i…

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