✓Designed & test-printed in our studio in The Hague, Netherlands
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Fish tank decoMedium

Sunken Grotto – Coral Reef Cavern-v3 (3D Printable STL)

Transform your aquarium with the cavern-v3, a beautifully detailed underwater grotto. This piece is rich with naturalistic textures, from intricate coral formations to rocky outcrops, creating a stunning centerpiece. It features multiple swim-throughs and caves, providing perfect shelter and exploration spots for cichlids, shrimp, and other nano fish.Ideal for freshwater or saltwater aquascapes, this design also adds a unique touch to terrariums and paludariums. The model is optimized for easy 3D printing in aquarium-safe materials like PETG, food-grade PLA, or fully cured resin, ensuring a safe and captivating environment for your inhabitants.

$3.00
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🛡️100% Manifold mesh, slicer-tested on FDM & Resin
♾️Lifetime access & free future mesh revisions
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Sunken Grotto – Coral Reef Cavern-v3 (3D Printable STL)
Sunken Grotto – Coral Reef Cavern-v3 (3D Printable STL)
$3.00

What's in the box

  • ✓Original 3D mesh files (STL/OBJ)
  • ✓Pre-supported print project (3MF/STL)
  • ✓Print orientation & calibration guide (PDF)

Print & Material Advisory

  • Rec. FDM Filament100% Pure PETG (Natural / Unpigmented)
  • Rec. ResinFully Cured Tough Resin + 2-Part Marine Epoxy Coat
  • Infill & Slicing TipPrint with 100% solid infill so decor sinks naturally without floating.