Find a starting point for your next print, from display models to flexible parts. Exact properties depend on the filament, print settings and part design.
For filament-based 3D printing, PLA is an approachable choice for indoor models and decorative projects. PETG is a useful starting point for functional parts, while TPU suits flexible prints. ABS and ASA need more attention to printing conditions; ASA is often considered for outdoor projects. Check the exact filament specification rather than assuming every formulation behaves alike.
Start with the part's intended use, then choose its appearance. Matte gives a low-gloss surface and silk gives a lustrous finish; neither finish alone guarantees strength or heat resistance. Each material below links to manufacturer guidance and matching products from our current shop catalogue.
Buying PLA filament in South Wales? Visit GRP 3D in Aberbeeg, or browse our shop for UK-wide delivery. For a printed part rather than a roll of filament, get a custom 3D printing quote.
8 material choices
Smooth · Models & display / Prototypes
An approachable starting point for detailed indoor models, decorative prints and prototypes, with comparatively low warping.
Not a general choice for hot environments or demanding outdoor parts. Verify the specific formulation.
Matte · Models & display / Decorative projects
A low-gloss appearance for decorative pieces and models. Matte describes the finish, not a guaranteed strength improvement.
Heat and mechanical performance vary by manufacturer. Check the product specification.
Silk · Models & display / Decorative projects
A reflective, lustrous finish for visual pieces such as ornaments and display models.
Choose for appearance; do not assume the mechanical properties of ordinary PLA.
Smooth · Functional parts / Prototypes
A practical starting point for holders, brackets and other functional parts, with good layer adhesion and toughness in typical formulations.
Drying and print settings matter. Suitability under load or heat must be assessed for the actual part.
Matte · Functional parts / Decorative projects
Consider when a low-gloss look matters alongside PETG-style functional use. Compare the specific product data before choosing.
Do not assume every PETG Matte has identical properties or printer settings.
Smooth · Functional parts
A more demanding technical material for functional applications where its specific mechanical and thermal properties are useful.
Warping, enclosure needs and ventilation require attention. Follow manufacturer safety guidance.
Smooth · Outdoor projects / Functional parts
Often considered for outdoor projects because of UV and weather resistance in typical formulations.
Print with suitable ventilation and manufacturer-recommended settings. Performance depends on the part and formulation.
Flexible · Flexible parts
Consider flexible filament for grips, seals, protective pieces and parts that need to bend rather than remain rigid.
Hardness varies. Check the exact grade and printer or AMS compatibility; not all TPU is suitable for AMS.
Sanding, priming and painting can change a printed surface. Test on a sample and use appropriate dust protection. For food contact, safety-critical parts or chemical smoothing, seek specific material and process advice rather than relying on a general guide.
Ask about your project