Aquarium Cave Shelter

Aquarium Cave – Dual Tunnel Fish Shelter (4 Sizes)

This design provides a beautiful and functional hiding space for fish and shrimp.
It features two semi-cylindrical caves connected together, with top openings so fish can freely swim in and out.

🧱 Four included sizes and 2 thickness variant:
      • 200mm (200 × 131 × 73mm – 2mm & 3mm wall)
      • 150mm (150 × 98.5 × 55mm – 2mm & 3mm wall)
      • 100mm (100 × 65.6 × 37mm – 2mm & 3mm wall)
      • 50mm (50 × 32.8 × 19mm – 2mm & 3mm wall)

🖨 Printing Notes:

• Wall thickness: 2mm & 3mm

• Supports recommended for best finish

• Print in PET-G or ABS for aquarium use (PLA+ acceptable)

Great for planted tanks, bettas, fry shelters, shrimp caves, or natural hardscape layouts.

Here is the print orientation: