Knowledge Base
Learn 3D Printing
From first print to advanced materials. Pick up where you are, or start from scratch. Every guide is written for people who'd rather read specifics than fluff.
46 guides
14 materials
16 comparisons
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1 — Start Here
New to printing?
3D Printing Crash Course
FDM basics, essential tools, your first print, materials at a glance, and where to go next: everything a total beginner needs in one page.
Start here
FDM BasicsHow it works
ToolsWhat to buy
MaterialsPLA → Nylon
SettingsWhat matters
StorageKeep it dry
FixesWhen it fails
Food Safe 3D Printing
Why layer lines harbor bacteria, food-safe materials and coatings, and what you can print for the kitchen
Watertight Prints
Slicer settings, vase mode, Z-seam fixes, and sealing methods to make prints hold water
2 — Choose Your Material
Most beginners start with PLA. Each guide covers print temps, pros/cons, storage, and community tips.
PLA
The default: easy to print, available everywhere, plant-based
PETG
Tougher than PLA, heat-resistant, the go-to for functional parts
ABS
High heat resistance, acetone-smoothable, needs an enclosure
ASA
UV-stable ABS alternative for outdoor and automotive parts
TPU
Flexible filament for cases, gaskets, and parts that need to bend
Nylon
Extremely strong and wear-resistant: gears, hinges, load-bearing parts
Plus 8 more: PC, PLA+, PCTG, PP, HIPS, PVA, Carbon Fiber, Glass Fiber. See all on the Materials Overview.
3 — Dial In Your Settings
Got your material? Now tune your slicer. Start with the cheat sheet, then go deep on whatever's giving you trouble.
Settings Cheat Sheet
Every material's temps, speed, cooling, and retraction in one table
First Layer Guide
Z-offset calibration, bed leveling, and fixing first layer failures
Print Speed & Quality
Volumetric flow rate, input shaping, and per-material speed limits
Infill Patterns
Gyroid, grid, lightning, honeycomb: strength vs speed tradeoffs
Wall Thickness
Why walls matter more than infill for strength and watertightness
Bed Adhesion
Build surfaces, adhesives, and material-specific bed prep
Z-Seams & Scarf Seams
Eliminate visible seam lines with aligned, random, and scarf joint settings
Nozzle Types & Materials
Brass, hardened steel, ruby: which nozzle for which filament
Print Cost Calculator
Estimate the true cost of a print: filament, electricity, consumables, and waste
Troubleshooting
Stringing, warping, layer separation, with fixes organized by symptom
4 — Compare Materials
Deciding between two materials? These head-to-head comparisons break down the tradeoffs.
PLA vs PETG
Most popular
Elegoo vs eSUN vs SUNLU
Budget brands
ABS vs ASA
Enclosure required
PLA vs PLA+
Worth the upgrade?
PETG vs ABS
Functional parts
PLA vs ABS
Classic matchup
PETG vs PCTG
Enhanced glycol
PLA vs TPU
Rigid vs flexible
Nylon vs PETG
Engineering tier
ABS vs Polycarbonate
High temp
PLA vs ASA
Indoor vs outdoor
PETG vs ASA
Functional picks
Nylon PA6 vs PA12
Nylon variants
TPU Shore Hardness
85A to 98A
Carbon Fiber vs Glass Fiber
Composites
High Speed PLA vs PLA
Speed filament
Matte PLA vs Silk PLA
Finish comparison
5 — Go Deeper
Specialty topics for when you're past the basics.
High Speed Filament
What makes HS filament different and when the speed premium pays off
Filament Storage & Drying
Humidity targets, drybox builds, and when to dry before printing
Ventilation & Fume Safety
VOC emissions by material and how to build filtered enclosures
Waste Reduction
Smart orientation, support minimization, AMS purge optimization
Waste & Recycling
What to do with failed prints, purge towers, and filament scraps
TPU Shore Hardness
85A to 98A: how hardness affects flexibility, printability, and use cases
Bulk Filament Deals
10-100kg pricing for print farms, makerspaces, and high-volume buyers
Looking for brand profiles? View all 29 brands → | Community resources? Resources page →