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.
Four small personalities, one quietly playful set. Oh Stones pairs organic rock shapes with expressive carved-style faces—ready to nestle among plants or bring a little character to a shelf or vivarium display.
Each order includes all four stone characters in your chosen size, 3D printed in PETG. These are lightweight printed decorations with a stone-inspired surface, not natural stone.
At a glance
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Sizes: 4 standard sizes, see the dimensions below. Custom sizing is available by enquiry.
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Material: PETG, for aquarium and terrarium decor. Resists water and humidity; keep clear of direct contact with heat lamps and other heat sources.
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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”.
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Safety: Choose dimensions, openings and a filament finish appropriate for your plants, fish, insects, reptiles or other animals. Check placement and condition before use.
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Finish: unpainted, in the colour and PETG finish of your choice. Painted effects shown in reference photos are not included.
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Made to order: ships within 7 business days.
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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, Metal-Like or Glow-in-the-Dark), then pick a colour from that finish. Metal-Like includes our Galaxy, Sparkly and Metallic colours. There are 75 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.
Choose your size
- Size 1: 4-piece set, 3.5–4.0 cm tall
- Size 2: 4-piece set, 5.3–6.0 cm tall
- Size 3: 4-piece set, 7.0–7.9 cm tall
- Size 4: 4-piece set, 18 cm tall each
The smaller sets contain four differently proportioned characters, so individual heights vary within the ranges shown. In Size 4, each character is 18 cm tall. Dimensions are approximate.
Made for your arrangement
Choose one PETG colour for the complete set. Supplied unpainted; styled photos may show painted finishes, plants or other accessories that are not included. The four characters are decorative pieces, without planting cavities or hide chambers.
Fine layer lines are part of the 3D-printed finish. Clean gently with mild soap and cool water; avoid dishwashers and direct heat.
Good to know
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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.