Aquarium Decoration Set – 3D Printable Ornaments for Fish & Shrimp

Turn your aquarium into an exciting underwater world with this set of 3D printable decorations, designed to be both eye-catching and functional for your aquatic pets. Each model provides unique hiding spaces, resting spots, and exploration areas, helping fish and shrimp feel secure while enhancing the look of your tank.

What’s Included:

Skull Castle – A dramatic fortress carved into the shape of a skull, complete with hollow sections and openings for curious fish and shrimp to dart through. It doubles as a centerpiece and a hideout, adding a spooky, adventurous vibe to your setup.

Voronoi House – Inspired by organic architecture, this structure features an airy, lattice-like design with smooth openings. It creates a modern, natural-looking shelter while allowing plenty of water circulation through its voids.

Igloo – A small, cozy dome-shaped hideout perfect for shrimp or smaller fish. The rounded form provides comfort and security while adding a playful, recognizable silhouette to your tank.

Shrimp Hotel – Unlike traditional multi-chamber hotels, this design has multiple doorways that all lead into a single central chamber. The effect makes it fun for shrimp to explore while ensuring they can easily escape and re-enter through different paths. It’s practical, safe, and visually intriguing to watch in use.

Why It’s Great:

Provides hiding and resting places to reduce stress in fish and shrimp.

Adds thematic and decorative flair to any aquarium style—spooky, modern, playful, or natural.

Safe to print with aquarium-friendly materials (PETG, ABS, or suitable resins).

Scalable models—resize to fit nano tanks, mid-sized aquariums, or larger displays.

Give your pets the enrichment they deserve while making your tank stand out. This Aquarium Decoration Set blends creativity with functionality, making it a must-have for aquascaping enthusiasts and hobbyists alike.