3D Print

Maintained list of printers, slicers, host software, model sources and learning material for 3D printing.

The community's own beginner guide, troubleshooting index and printer recommendation resource.

Broader maker resources covering fabrication, electronics, hackerspaces and project sources beyond just 3D printing.

One of the largest and longest-running open communities for sharing user-created digital 3D design files ready to download and print.

A massive, community-driven database by Prusa Research offering high-quality 3D printing models, active design contests, and verified print files.

Community fork that has become the default recommendation, with built-in calibration tests for flow, pressure advance and temperature.

Open-source slicer with excellent organic supports and profile management, usable with almost any printer.

The most widely used free slicer, with the deepest settings tree and a large plugin ecosystem.

Firmware that offloads motion planning to a Raspberry Pi, enabling input shaping and pressure advance on almost any printer.

Search engine that queries every major model repository at once, the first place to look before giving up on finding a part.

The calibration guide r/3Dprinting points everyone to, covering pressure advance, flow and every tuning step in order.

Genuinely excellent troubleshooting documentation with photographs of every print defect and its cause, useful regardless of printer brand.

The classic visual guide matching a picture of your failed print to its fix, still the best diagnostic index online.

Open-source parametric CAD that has matured considerably, the standard answer for people who won't rent Fusion.

Full parametric CAD running entirely in the browser with a free maker tier, the easiest path into real modeling.

Browser-based beginner CAD from Autodesk, the fastest way to make a simple functional part without learning a real package.

Rigorous testing of filaments, infill patterns and print parameters, the closest thing the hobby has to peer review.

A web-based utility tool for generating custom 3D-printable modular storage bins, trays, and bases using Zack Freedman's popular Gridfinity open-source organization system.

Open modular wall and organization system that has become the successor to Gridfinity for functional prints.

Browser-based slicer for FDM, CNC and laser, handy for quick slices without installing anything.