Phoenix Cave

Corner-Fit Shelter, Naturally at Home

The Phoenix Cave is designed to nestle flush into the corner of your aquarium, making the most of often-underused tank real estate while giving your shrimp and nano fish a smooth, boulder-like retreat they’ll gravitate to instantly.

Its organic, rounded silhouette and distinctive kidney-shaped entrance blend effortlessly into sandy substrates — like a stone that’s always been there. Watch your inhabitants disappear inside and reappear at the entrance, perfectly framed in the corner of the tank.

Highlights

• Corner-fit design — sits flush in the tank corner for a natural look
• Smooth, rounded boulder silhouette with a kidney-shaped entrance
• Ideal for shrimp and nano fish
• Low-profile form suits smaller and nano tanks
• 3D printed from aquarium-safe PETG

Dimensions

6.38" L × 6" W × 2.83" H

PETG filament is a premium material chosen for long‑term aquarium use. Unlike PLA that can warp, soften, and break down, PETG is stable, strong, and temperature‑resistant. It offers better durability, water and chemical stability, and higher heat resistance — ideal for real, working tanks. Every item is printed at 100% infill, so it always sinks, feels sturdy, and has no pause lines from added weights. Many companies stop their prints mid‑way to drop in metal; we take the extra time to print each piece full of only filament for a cleaner finish and stronger structure. The result is décor that lasts longer, looks better, and performs reliably — built for aquarists who value quality over shortcuts.

Designed and Printed by Puffer Pantry