Choosing the right 3D printing material is one of the most important decisions in additive manufacturing, whether you are a collector selecting a figurine, a print farm operator optimising production, or a hobbyist deciding what filament to buy. This reference guide compares the four most common FDM materials: PLA, PETG, TPU, and ABS.
At 3DCentral, we primarily use PLA for our 4,300+ collectible designs, with PETG for outdoor-suitable products, all printed at our facility in Laval, Quebec. This guide provides the complete material picture to help you understand our choices and make informed decisions for your own needs.
Material Properties at a Glance
PLA (Polylactic Acid)
Origin: Plant-based (corn starch, sugarcane). Glass transition: ~60 degrees Celsius. Print temperature: 190-220 degrees Celsius. Bed temperature: 0-60 degrees Celsius. Strength: High rigidity, moderate impact resistance. Flexibility: Minimal (brittle under sharp impact). UV resistance: Low. Chemical resistance: Low. Colour range: Widest available (hundreds of options). Ease of printing: Easiest of all FDM materials. Odour: Minimal, slightly sweet. Post-processing: Sands and paints easily.
PETG (Polyethylene Terephthalate Glycol)
Origin: Petroleum-based. Glass transition: ~80 degrees Celsius. Print temperature: 220-250 degrees Celsius. Bed temperature: 70-80 degrees Celsius. Strength: High rigidity with better impact resistance than PLA. Flexibility: Slight (absorbs impact better). UV resistance: Moderate to good. Chemical resistance: Moderate. Colour range: Good (narrower than PLA). Ease of printing: Moderate (requires heated bed, tuned retraction). Odour: Minimal. Post-processing: More resistant to sanding, chemical smoothing possible.
TPU (Thermoplastic Polyurethane)
Origin: Petroleum-based. Glass transition: Variable (~-40 to 60 degrees Celsius). Print temperature: 220-250 degrees Celsius. Bed temperature: 0-60 degrees Celsius. Strength: Excellent elongation and tear resistance. Flexibility: High (rubber-like). UV resistance: Good. Chemical resistance: Good. Colour range: Moderate. Ease of printing: Difficult (requires direct drive extruder, slow speeds). Odour: Minimal. Post-processing: Difficult to sand, accepts paint variably.
ABS (Acrylonitrile Butadiene Styrene)
Origin: Petroleum-based. Glass transition: ~105 degrees Celsius. Print temperature: 230-260 degrees Celsius. Bed temperature: 95-110 degrees Celsius. Strength: Good impact resistance and toughness. Flexibility: Moderate. UV resistance: Low (yellows over time). Chemical resistance: Good. Colour range: Good. Ease of printing: Difficult (warping, requires enclosure). Odour: Strong and unpleasant (styrene fumes). Post-processing: Acetone smoothing possible.
Best Material for Each Use Case
Indoor Display Collectibles: PLA
PLA is the undisputed champion for decorative collectibles displayed indoors. Its unmatched colour range (including silk metallic, translucent, glow-in-the-dark), excellent detail reproduction, and easy printing characteristics make it perfect for figurines, ducks, gnomes, fantasy miniatures, and all indoor display pieces. This is why PLA is 3DCentral’s primary production material.
Outdoor Collectibles: PETG
PETG’s superior UV resistance and higher heat tolerance make it the right choice for garden gnomes, patio decorations, and any piece exposed to sunlight or temperature swings. See our PLA vs PETG guide for detailed comparison.
Flexible and Squeezable Items: TPU
TPU is the only common FDM material that produces flexible, rubber-like results. It suits squeezable figurines, phone cases, gaskets, and any application requiring elasticity. TPU is more challenging to print reliably and is not currently part of 3DCentral’s standard catalogue but has potential for future specialty products.
High-Temperature Applications: ABS
ABS resists higher temperatures than PLA or PETG but is rarely used for collectibles due to its strong printing odour, warping tendency, and inferior colour range. It is more suited to functional parts, automotive applications, and items that must withstand heat above 80 degrees Celsius.
Print-in-Place Compatibility
Print-in-place articulated designs require materials with consistent dimensional accuracy and low warping. PLA is the ideal material for print-in-place joints. PETG works but requires tighter calibration. TPU’s flexibility makes it unsuitable for precise joint mechanisms. ABS’s warping tendency makes print-in-place unreliable. Artists like Flexi Factory and Cinderwing3D design primarily for PLA printing.
Sustainability Comparison
PLA has the lowest environmental impact at production due to its plant-based origins. PETG, TPU, and ABS are all petroleum-derived. None of the four materials are widely accepted by municipal recycling programs. PLA is industrially compostable under specific conditions. Recycled PLA filaments are an emerging option that further improves PLA’s sustainability profile.
Cost Comparison
PLA is generally the least expensive FDM material, followed by PETG, ABS, and TPU (most expensive). For print farm operators producing collectibles at scale, PLA’s lower cost per kilogramme compounds into significant savings. Budget approximately $20-30 CAD per kilogramme for quality PLA versus $25-40 for PETG.
For Print Farm Operators
Stock PLA as your primary production material and PETG for specialty outdoor products. TPU and ABS serve niche use cases that most collectible-focused farms do not need at launch. The 3DCentral Commercial License allows commercial production of original 3DCentral designs in any material. See our print farm guide for business advice.
Where to Buy Collectibles
Browse our PLA and PETG collectibles at 3dcentral.ca/shop or on Amazon Canada. Every piece is printed at our facility in Laval, Quebec.
Frequently Asked Questions
Which material is best for beginners?
PLA. It is the easiest material to print, requires minimal equipment (no heated enclosure), produces excellent results, and is the most forgiving of printer calibration imperfections.
Can I mix materials in a collection?
Absolutely. PLA pieces for indoor display and PETG pieces for outdoor areas can coexist in the same collection. The visual difference between PLA and PETG is subtle.
What material does 3DCentral use?
The majority of our 4,300+ designs are printed in PLA for its superior colour range and detail quality. Select outdoor-suitable designs are available in PETG.
