3D Printing Guides: Filaments, Upgrades and Setup
Choose with the details that matter.
Research-based guides to choosing materials, upgrades, and care gear. Each starts with the answer, explains the trade-offs, and says when not to buy.
Updated · By the FilamentFinders editorial team
All guides
How to clean a build plate: PEI, cool plates, CryoGrip and glass
How Prusa, Bambu Lab, Creality, BIQU and Magigoo say to clean each build surface, what to avoid, how to remove glue residue, and when a plate is worn out.
PLA vs ASA: Outdoor and Hot Parts vs Easy Indoor Printing
PLA vs ASA on same-maker data from Polymaker, Prusa, Bambu Lab and eSUN: heat, UV, stiffness, impact, enclosures, fumes and which one to pick.
PLA-CF vs PETG-CF: Which Carbon Fiber Filament to Choose
PLA-CF vs PETG-CF on maker data from Bambu Lab, Polymaker and ELEGOO: stiffness, impact, heat, drying, enclosures and AMS rules, and which one to pick.
ABS vs ABS+: What the 'Plus' Actually Means
ABS+ is a maker's label, not a standard. What eSUN, Flashforge, Creality, Polymaker and others say their upgraded ABS changes, and what their data shows.
Direct drive vs Bowden: which filaments need which
What TPU makers say about direct drive and Bowden extruders, what printer makers document about their own, and where those makers disagree.
Filament for Outdoor Use: UV, Heat and Weather
What Prusa, Bambu Lab, Polymaker, eSUN, SUNLU and Overture say about sun, heat and rain for PLA, PETG, ABS, ASA, PC, TPU and carbon-fiber grades.
Filament Spool Weights: Net, Gross and Empty Spool
What 1 kg on a spool means, how makers state net weight, published empty spool weights, and the methods makers give for tracking what's left.
How to Choose a Filament Dryer: The Specs That Matter
Filament dryer specs checked against makers' data: top temperature vs drying settings, spool fit and heat limits, airflow, humidity, timer and safety.
Matte vs Silk vs Standard PLA: What Makers Publish
Matte hides layer lines and silk adds gloss. What Bambu Lab, Polymaker, ELEGOO, and Overture publish on each finish's strength, speed, and settings.
Nylon (PA) Filament Explained: Types, Moisture, Setup
PA6, PA12, PA612, PAHT and PA11 nylon filaments on maker data: moisture, drying, dry vs wet strength, nozzles, beds, enclosures and AMS rules.
Polycarbonate (PC) Filament Explained: Types, Heat, Setup
Pure PC, PC blends and PC-CF on maker data: heat figures with test load, nozzle and bed needs, chambers, drying, annealing, AMS rules and printer fit.
Vacuum bags vs dry boxes for filament storage
What filament and storage makers say about vacuum bags and dry boxes: seals, desiccant, checking humidity, printing from storage and how many spools fit.
Which Filament Is Strongest? What Makers' Own Data Shows
Tensile, layer, impact, stiffness and heat figures within Bambu Lab, Polymaker, Prusament and Overture data sheets, and why cross-brand rankings mislead.
Annealing 3D Prints: What Filament Makers Actually Say
Which filaments makers say to anneal, their temperatures and times, what it changes, the shrinkage and warping it costs, and how they say to run the oven.
High-Speed Filament Explained: HF, Hyper, and Rapid
What HF, Hyper, and Rapid filaments are, the speed and flow figures Bambu, Creality, ELEGOO, Overture, and eSUN publish, and where their pages disagree.
Silica gel and desiccants for filament storage
Storage humidity targets from filament makers, and how desiccant makers say to read, size and recharge indicating silica gel, checked with a hygrometer.
Carbon Fiber Filament Explained: What the Fibers Add and Cost
What carbon fiber adds to PLA, PETG, PET and nylon, what it costs, and what makers say about nozzles, drying, enclosures, annealing and AMS feeding.
Glue stick, Magigoo, or bare plate? Bed adhesives explained
When Prusa, Bambu Lab, Polymaker and Magigoo say to use glue on a build plate, when to print on a bare plate, and how to apply and clean it off.
ASA vs PETG: Outdoor Use, Heat, Enclosures, and Printing
ASA or PETG? What Prusa, Bambu Lab, Polymaker, and others publish on UV and outdoor use, heat, enclosures, fumes, warping, plates, drying, and AMS.
PLA vs ABS: Ease of Printing, Heat, Enclosures, and Fumes
PLA or ABS? What Prusa, Bambu Lab, Polymaker, and ELEGOO publish on ease, heat, enclosures, fumes, warping, impact, plates, drying, and AMS.
1.75 mm vs 2.85 mm Filament: Which Does Your Printer Use?
The two filament diameters, why a printer takes only one, how to check yours on the maker's spec page, and why the slicer's diameter setting must match.
Nozzle Sizes Explained: 0.2, 0.4, 0.6, and 0.8 mm
What nozzle diameter changes in detail, speed, and strength, the layer heights makers give for each size, and which sizes suit TPU and carbon fiber.
PETG vs ABS: Heat, Enclosures, Outdoor Use, and Printing
PETG or ABS? What Prusa, Bambu Lab, and Polymaker publish on heat, enclosures, fumes, warping, outdoor use, chemicals, plates, drying, and AMS.
PLA vs PLA+: What the 'Plus' Actually Means
PLA+ is a label, not a standard. What eSUN, Polymaker, and ELEGOO actually publish for their PLA+ and PLA Pro, and when plain PLA is enough.
TPU Hardness Explained: 85A, 95A, and 68D
What Shore A and Shore D numbers measure, why 68D TPU is far firmer than 95A, and how hardness changes feeding, AMS use, and the parts you print.
Which Filaments Work in Bambu's AMS and AMS lite
Bambu's own rules for the AMS and AMS lite: unsupported materials, TPU, damp or brittle filament, cardboard spools, spool sizes, and the external spool route.
ABS vs ASA: Heat, UV, Warping, and Ventilation
How ABS and ASA compare for heat-resistant and outdoor parts: UV behavior, warping, enclosure needs, emissions and ventilation, and when PETG is enough.
Filament dryer vs dry box: drying and storage explained
A dry box keeps dry filament dry; a dryer removes moisture that is already in it. How to tell which problem you have, and what to do safely.
Filament storage: sealed containers, desiccant, and moisture exposure
How to keep opened spools dry with sealed containers, the right desiccant and a hygrometer, and why storage cannot fix filament that is already wet.
How to Choose a Replacement Nozzle for Your Exact Hotend
Match a replacement nozzle to your exact printer, hotend revision, and filament: nozzle systems, diameters, wear-resistant materials, and a fit checklist.
Nozzles for Abrasive Filaments: Carbon Fiber, Glass Fiber, and Glow
Which filaments wear out nozzles, how brass, stainless, hardened, coated, and ruby-tipped nozzles differ, and how to find the right part for your exact hotend.
PLA vs PETG: Choosing for the Actual Project
How to choose between PLA and PETG by what the part has to do: heat, stiffness, toughness, print ease, stringing, and build-plate release.
Planning a 3D Printer Enclosure: Temperature, Electronics, and Air
What an enclosure does and doesn't do, when to skip it, and how to plan for electronics heat, fire safety, ventilation, and access.
Textured vs Smooth Build Surfaces: Compatibility and Release Considerations
How smooth and textured PEI differ in finish, adhesion, release, and cleaning, and why plate fit depends on your exact printer model.
TPU Compatibility: Extruder Path, Hardness, and Feeding Systems
Whether a TPU will feed in your printer depends on its Shore hardness, your extruder path, and whether it goes through an automatic material system.
Ready to choose a product?
Each shortlist names exact products whose specs and fit we checked against the manufacturer.
- Best Filament for the Bambu Lab H2C (2026)
- Best Filament for the Original Prusa MK3S and MK3S+ (2026)
- Best Filament for the Original Prusa MK4 (2026)
- Best Filament for Beginners (2026)
- Best Filament for the Bambu Lab A2L (2026)
- Best Filament for the Bambu Lab P2S (2026)
- Best Filament for the Prusa MINI and MINI+ (2026)
- Best Filament for the Prusa XL and XL+ (2026)
- Best 3D Printer Enclosures (2026)
- Best 3D Printing Tools (2026)
- Best ABS Filament (2026)
- Best ASA Filament (2026)
- Best Build Plates (2026)
- Best Carbon Fiber Filament (2026)
- Best Filament Dryers (2026), by Spool Count and Max Temp
- Best Filament for the Bambu Lab A1 and A1 mini (2026)
- Best Filament for the Bambu Lab H2D and H2S (2026)
- Best Filament for the Bambu Lab P1S and P1P (2026)
- Best Filament for the Bambu Lab X1-Carbon and X1E (2026)
- Best Filament for the Creality Ender-3 V3, V3 SE, V3 KE, V3 Plus and V4 (2026)
- Best Filament for the Creality Ender-3, Ender-3 V2 and Ender-3 S1 (2026)
- Best Filament for the Creality K1, K1C and K1 Max (2026)
- Best Filament for the Prusa CORE One, CORE One L and MK4S (2026)
- Best Filament Storage (2026)
- Best Replacement Nozzles and Hotends (2026), Matched to Your Printer
- Best Silk PLA Filament (2026)
- Best Specialty Filament (2026)
- Best TPU Filament (2026)
- Best PETG Filament (2026)
- Best PLA Filament (2026)