Reef Canyon Cave - Aquarium & Terrarium Twin Mouth Sand Bridge | Fish Hideout | Shrimp Shelter | Reptile Hide | Aquascaping | 3D Print STL

Reef Canyon is a broad sunken bridge with a rounded crest and two openings cut through its base, forming a short canyon that fish can pass under from either side. The wide span leaves plenty of headroom in the middle, while the raised back lets the substrate build up over the top so only the canyon mouths break the sand line. 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 part…

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