The new artisan-industrial revolution: print it, machine it, make it yourself.
Prusa Research reliable, open-source workhorses; MK4 and XL.Bambu Lab fast, appliance-grade printers that just work.Voron Design fully open-source, best-in-class CoreXY machines.Rat Rig open-source CE3D / core-XY kit machines.Creality budget workhorses (Ender series, the people's printers).Klipper high-performance open-source firmware — print faster, tune precisely.Marlin the classic open-source firmware.OctoPrint control and monitor your printer over the network.RepRap the original self-replicating-printer movement.Ellis' Print Tuning Guide the definitive calibration bible.
CNC Kitchen engineering-focused strength and material tests of printed parts.Teaching Tech structured calibration suite.Polymaker engineering filaments; PolyMax, ASA, carbon fiber.Prusament tight-tolerance filament straight from the source.eSUN cheap, reliable PLA+ and PETG.All3DP: PLA vs PETG vs ABS which material for which job.Prusa Filament Guide drying, storage, and properties.CNC Kitchen material blog real test data on printed part strength.Filament drying temperatures community-maintained drying table.FreeCAD free and open parametric CAD — the people's SOLIDWORKS.OpenSCAD programmatic, code-driven 3D CAD for engineers.Onshape free cloud CAD; version control built-in.Fusion 360 (Personal) powerful CAM for machining, free for hobbyists.Blender the free 3D suite for organic and mesh work.Tinkercad simple in-browser CAD to get started.r/fosscad the community hub of 3D-printed firearms — design repos and print advice.CTRL+Pew DIY 3D-printed firearms (reproduced from Chadnet).Hoffman Tactical Super Lower line — robust printed AR lowers, files always free.Deterrence Dispensed fosscad release repos and documentation.AWCY? community design collective (as weird as it is effective).Print Shoot Repeat printed-gun reviews, releases, and how-to.Pew Pew Tactical reviews, recipes, and 2A how-to guides.Patriot Gun Builders forum for printable Glock frames, AR lowers, and freedom.DefCad Defense Distributed's open firearm file repository.Machinery's Handbook the machinist's bible — tolerances, threads, materials.This Old Tony machining clarity, humor, and technique.Mr. Pete (tubalcain) classic beginner machining lessons on the lathe and mill.Practical Machinist the machinist's forum — real answers from real shops.Lathes UK everything there is to know about lathes.American Machinist industry know-how and technique.Library of GigaChad | GigaChad