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Precision-Made Filament · ±0.03mm Tolerance · AMS Compatible · Australian Brand · Vacuum Sealed

Product details

PETG Print Settings

Nozzle Temperature: 230–250°C
Bed Temperature: 70–90°C
Print Speed: 40–60mm/s
Cooling: Moderate - 30–50% fan
Bed Surface: PEI or lightly treated glass
Enclosure: Optional - improves layer consistency

PETG is prone to stringing. Use moderate retraction (1–3mm direct drive, 4–6mm Bowden) and avoid excessive cooling. For Bambu Labs AMS, use the built-in PETG profile - Leviathan 3D PETG feeds reliably thanks to our tight ±0.03mm tolerance.

Technical Specifications

Material: PETG (Polyethylene Terephthalate Glycol)
Diameter: 1.75mm (guaranteed ±0.03mm - manufactured to target ±0.02mm, laser-verified)
Spool Weight: 1kg net
Density: ~1.27 g/cm³
Tensile Strength: ~50 MPa
Elongation at Break: ~50%
Glass Transition Temp: ~80°C
Packaging: Vacuum-sealed with desiccant
AMS Compatible: Yes

Storage & Handling

PETG is highly hygroscopic - it absorbs moisture faster than PLA. Store in a sealed airtight container with fresh desiccant immediately after opening. Moisture causes stringing, bubbling, and poor layer bonding.

If print quality degrades, dry at 60–65°C for 4–6 hours in a filament dryer. All Leviathan 3D PETG ships vacuum-sealed to maximise shelf life and print performance from day one.

Shipping & Returns

Processing: Dispatched within 1–2 business days from our Australian warehouse.
Standard Shipping: 3–7 business days Australia-wide.
Express Shipping: Available at checkout.
Free Standard Shipping: On all orders over $99 AUD.

Returns: Contact us within 30 days of delivery. Defective products replaced at no cost. Change-of-mind returns accepted for unused, sealed spools.

FAQs

Please read our FAQs page to find out more.

What temperature should I print Leviathan 3D PETG at?

Leviathan 3D PETG prints best at a nozzle temperature of 230–250°C and a bed temperature of 70–90°C. Start at 240°C nozzle / 80°C bed as your baseline. PETG is more sensitive to temperature than PLA - too cold and layers won't bond; too hot and you'll get excessive stringing. A PEI or lightly sanded glass surface works well for bed adhesion.

Why is my PETG stringing so much?

Stringing is PETG's most common challenge. To reduce it: lower your printing temperature by 5°C increments, increase retraction (1–3mm for direct drive, 4–6mm for Bowden), reduce travel speed, and enable combing mode in your slicer to avoid crossing open air. Avoid excessive cooling - PETG needs moderate airflow (30–50%), not the full cooling that PLA uses. Drying your filament also dramatically reduces stringing if moisture is a factor.

Is Leviathan 3D PETG food safe?

PETG is generally considered a food-safe material in its raw form - it is widely used in food packaging and bottles. However, the food safety of a 3D printed PETG object depends on multiple factors beyond the material itself: layer lines create micro-gaps that can harbour bacteria, brass nozzles may introduce lead contamination, and most dyes are not certified food-safe. For items that will contact food long-term, we recommend using food-safe coatings or consulting a specialist. Our PETG is manufactured to material-grade standards.

Can PETG be used for outdoor or functional parts?

Yes - PETG is an excellent choice for functional outdoor parts. With a glass transition temperature of ~80°C, it handles moderate heat far better than PLA. It is chemically resistant, semi-flexible, and won't become brittle from moisture. PETG is ideal for brackets, enclosures, mechanical components, food containers, and outdoor parts that don't face prolonged direct UV exposure. For extreme UV environments, consider ASA instead.

Is Leviathan 3D PETG compatible with the Bambu Labs AMS?

Yes. Leviathan 3D PETG is compatible with the Bambu Labs AMS system. Use the PETG profile in Bambu Studio or OrcaSlicer. PETG can be slightly sticky and may require the purge tower volume to be slightly increased for clean colour transitions in multi-material prints. Our tight ±0.03mm diameter tolerance ensures consistent feeding performance through the AMS hub.

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