The 3D Printer Filament Library
61 materials — what they're good for, how hard they are to print, and where to buy them.
61 materials
Easy to print, highly rigid, and affordable, PLA is perfect for decorative items and functional indoor parts that will n…
Toughened versions of standard PLA — typically branded PLA+ (Sunlu) or PLA Pro / PolyMax (Polymaker). Roughly the same p…
The standard flexible filament, TPU is prized for excellent layer adhesion and impact absorption. It is the go-to choice…
Despite being Jonathan's mortal enemy, PETG DOES blend strength, flexibility, and decent UV resistance, but it is hygros…
An impact-resistant, high-heat commodity plastic that is excellent for sustained loads and can be vapor-smoothed. It gen…
ASA offers ABS-like strength and heat resistance with much better UV stability, making it a strong outdoor option. It st…
PEBA is a durable elastomer with better energy return than standard TPU, so it feels springier and more lively. It suits…
PC-CF combines polycarbonate’s heat resistance and strength with carbon fiber’s rigidity and dimensional stability. It i…
This very soft TPE is stretchy and skin-safe, making it ideal for soft-touch grips and wearables. Its softness also make…
PVB is an aesthetic filament that can be smoothed with isopropyl alcohol for a glassier look. It is interesting for tran…
PP is excellent against chemicals and repeated flexing, but it is notoriously hard to get sticking well. It is a true fu…
CPE acts like a more engineering-leaning PETG alternative with better heat and impact performance. It also tends to abso…
NonOilen is a bio-based material with food-contact positioning and unusually strong heat resistance for its class. It is…
PA6 offers toughness, chemical resistance, and high ductility for parts that take repeated abuse. It is generally stiffe…
PA12 is a durable engineering nylon with lower moisture uptake and greater flexibility than PA6. That makes it a more fo…
PC is one of the toughest common thermoplastics and offers high impact resistance and thermal stability. It is also mois…
PLA-CF adds stiffness and a premium matte finish to PLA. It still inherits PLA’s weak heat tolerance, so it is best trea…
PETG-CF adds stiffness and extra heat resistance to PETG while improving surface finish. It is a strong, practical compo…
PET-CF pushes the PETG-CF idea a little more toward premium engineering performance. It offers a matte finish, strong st…
PA-CF trades some impact resistance for huge gains in rigidity, axial strength, and heat resistance. It is one of the st…
PAHT-CF leans even harder into hot-endurance engineering parts with strong rigidity and thermal performance. It is built…
ABS-CF blends affordability, durability, and moderate heat resistance while reducing the warping associated with plain A…
ABS-GF increases tensile performance and keeps electrical non-conductivity, which makes it useful for housings and tool-…
HIPS is often discussed as a support pairing, but it is also a very good standalone engineering-ish filament with impact…
PCTG is essentially a tougher, clearer, more chemically and thermally capable PETG-style material. It keeps much of PETG…
PEBA Air uses a foaming agent to reduce density and alter feel, giving a more premium foam-like response. It is interest…
TPU Air softens and lightens the printed result while staying in the TPU family. It works well for grips, padding, and l…
ROAMR is a foamed flexible material aimed at premium performance applications where rebound and low density matter. It t…
Morphlex is designed around easier shoe printing by feeding stiffer but printing softer. It can work very well, but geom…
Fishy PA6 is recycled from fishing nets and keeps the practical toughness and heat resistance of nylon 6. It brings a co…
OrCA adds carbon fiber to the ocean-recycled nylon concept for more rigidity and creep resistance. It is the more struct…
PETG-PTFE lowers surface friction for sliding parts and moving interfaces. It is especially interesting for hubs, guides…
Antibacterial CPE uses antimicrobial additives to suit hygiene-oriented environments like kitchens, labs, and shared pub…
PETG-Magnetite is a heavy, magnet-responsive specialty filament useful for switches, weighted parts, and unusual electro…
ASA-CF boosts rigidity and dimensional stability while preserving ASA’s outdoor advantages. It is a strong candidate for…
ASA-GF delivers strong outdoor and heat performance while staying electrically non-conductive. It is a practical composi…
PLA-HT prints like friendly PLA but can handle significantly more heat, especially after annealing. It is one of the eas…
PLA-HT-GF adds more rigidity and engineering flavor to PLA-HT. It is an approachable route to higher-heat parts without …
PPS-TF sits deep in engineering-polymer territory with high heat, chemical resistance, and wear performance. It usually …
PPA-CF combines strength, heat resistance, and rigidity in a very aggressive engineering package. It is one of the close…
PPS-CF pushes into industrial territory with exceptional chemical, flame, and thermal resistance. It is difficult but ex…
PPS-GF targets demanding industrial environments with excellent heat and chemical resistance while favoring glass-fiber …
This ABS formulation aims for high speed and about 101°C temperature endurance, making it attractive for hot environment…
GRIP TPU is explicitly designed to be grippier than standard TPU while still printing nicely. It is well suited for hand…
PHA is a bio-based, biodegradable material that prints somewhat like PLA but brings odor and bed-adhesion quirks. It is …
LW-PLA uses foaming to dramatically reduce weight and create a balsa-like texture. It is a classic fit for RC aircraft a…
LW-ASA applies the same weight-saving trick to an outdoor-capable engineering plastic. It is compelling for lightweight,…
PC Space Grade is a specialty polycarbonate aimed at sensitive electronics and harsh environments, with low-outgassing a…
ABS V0 targets electronics-friendly applications by adding strong flame-retardant behavior while preserving familiar ABS…
PolyCast is engineered to burn out cleanly for casting workflows. It makes metal casting geometries more accessible to m…
HDPE is famous for chemical resistance and resilience, and newer formulations make it somewhat more printable than old-s…
PETG-Tungsten is a dense specialty filament for shielding-style applications where mass and attenuation matter.
CoPA blends nylon families for strong tensile performance and high heat while remaining surprisingly printable. It is an…
TPU-GF mixes impact absorption with glass-fiber rigidity and a changed surface texture. It is a very unusual flexible co…
PLA Support makes support removal easier for PLA-centric prints without needing a soluble material. It is best where acc…
PVA is a dissolvable support material ideal for internal cavities and complex geometry. Moisture management is a big par…
PolySupport PA is designed specifically to work with nylon families that are annoying to support. It solves a very pract…
ABS Kevlar adds impact-oriented reinforcement with less nozzle wear and a different feel than carbon-fiber blends. It is…
PETG Ultra-Glow is a genuinely functional glow material for visibility and safety rather than just novelty. It works for…
The ultimate, high-performance thermoplastic polymer known for its excellent mechanical properties, thermal stability, a…
PBT+ is a rather obscure filament that provides many of the same properties as nylon but absorbs less moisture (humidity…
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