Comet Cave | Meteorite-Inspired Terrarium Hide

Ready to use, install or paint. Your piece is 3D printed in your chosen filament colour and supplied unpainted. Enjoy it as it is or paint it to create your own finish.

A meteorite-inspired shelter with a rugged, pitted surface and a network of sculpted openings. Comet Cave adds a striking focal point to a rocky terrarium landscape, with a sheltered interior behind its broad entrance.

At a glance

• Sizes: 6 standard sizes, see the dimensions below. Custom sizing is available by enquiry.
• Material: PETG, for aquarium and terrarium decor. Resists water and humidity; keep clear of direct contact with heat lamps and other heat sources.
• Floats: Printed PETG pieces can float because they contain air. For aquarium use, secure the base with aquarium-safe silicone or a suitable aquarium adhesive as described under “Good to know”.
• Safety: Choose dimensions, openings and a filament finish appropriate for your plants, fish, insects, reptiles or other animals. Check placement and condition before use.
• Finish: unpainted, in the colour and PETG finish of your choice. Painted effects shown in reference photos are not included.
• Made to order: ships within 7 business days.
• Free shipping: free delivery to Canada, the US and select European countries. Duties and import fees to the US are prepaid by us.

Colours

First choose a finish (Basic, Matte, Marble, Sparkly/Galaxy/Metallic or Glow-in-the-Dark), then pick a colour from that finish. Sparkly/Galaxy/Metallic includes our Galaxy, Sparkly and Metallic colours. There are 89 PETG colours in total, and the colour charts at the end of the photos show each one. Want something that is not listed? Contact us and we will try to source it.

Need a different size? The listed variants are convenient standard sizes, not the limits of what we can make. Many designs can be resized in width, height and depth, and their proportions can be adjusted to better fit your enclosure. Small dimensional changes often do not materially affect the price. Custom pricing depends on the finished dimensions and any separate printed sections required. Message Molten Modern with your enclosure dimensions for a custom quote.

Product details

• One unpainted cave per order; plants, animals and display accessories are not included.

Sizes

• Size 1: 8.0 × 7.9 × 6.2 cm
• Size 2: 10.0 × 9.9 × 7.7 cm
• Size 3: 12.0 × 11.9 × 9.3 cm
• Size 4: 14.0 × 13.9 × 10.8 cm
• Size 5: 16.0 × 15.8 × 12.4 cm
• Size 6: 18.0 × 17.8 × 13.9 cm

Approximate external width × depth × height. Check the overall dimensions and openings for your intended use.

Colour and care

Choose from the PETG colour charts. Designer reference photos may show painted or weathered finishes; your print is supplied unpainted and single-colour. Fine layer lines are part of the printed finish. Hand wash gently, keep clear of direct heat and position securely. For submerged use, test buoyancy and secure the cave appropriately.

Good to know

• Anchoring in an aquarium: Bond the base to a flat stone or acrylic sheet with aquarium-safe silicone, or with hot glue or cyanoacrylate superglue specifically suitable for aquarium use. Follow the adhesive manufacturer’s surface preparation and full curing instructions before placing it in the aquarium. Where the design allows, a few small holes through the underside into enclosed air pockets let water in and air out, reducing buoyancy.

• Measure the inside of your enclosure before ordering, and leave a little room for installation.
• Some photos show hand-painted examples. This piece ships unpainted.

Design licensed to Molten Modern by novYTerra.