Free web calculator that tells you what hole size to design so screws bite properly into 3D printed plastic, for common screw sizes and materials.
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Support Fins (PrintFins)
printfins.com
Free browser tool that adds thin support fins (ribs) to your STL instead of tree or grid supports, saving filament and leaving cleaner surfaces. It's based on the fin technique popularized by Slant 3D and was built by M…
OrcaSlicer
orcaslicer.com
Free, open-source slicer known for its built-in calibration tests (flow, pressure advance, temperature and more) and support for a huge range of printers, from Bambu Lab and Creality to Voron and other Klipper machines.…
UltiMaker Cura
ultimaker.com
Free, open-source slicer from UltiMaker and one of the most widely used in the world, with profiles for hundreds of printers and a large plugin marketplace. Originally created by David Braam and updated regularly.