PitStop 3 multi-material 3D printer in-depth design. 10+ materials at once

PitStop 3 is a 3D printer and tool changer that supports 10 to 20 materials at the same time, all with identical or different hotends and nozzles. Diving into various design decisions and the reasons behind them. Support this project on Patreon: Chapters: 0:00 Project overview 0:44 Old PitStop 2 project 1:56 Project goals 2:31 Tool changer overview 3:17 Universal tool design 5:41 Existing solution for multi-material 7:18 Reasons to have so many hotends 8:22 A 3D printer that just works 9:57 Extruder design 15:25 3D printer with or without the tool changer 23:17 Probe as a tool for non-planar printing 26:25 Spools and guiding PTFE tubes 28:33 3D printer design 30:59 Electronics panel 34:41 Nozzle probe 35:36 Parametric project 37:35 Adjustable lead screw mounts 39:06 Swapping parts with ease 40:03 Power and safety 42:52 Panic button 43:47 Assembling and testing the printer 44:46 Tool changer integra