MMX production hub
Release files, BOM, wiring, Happy Hare, calibration and first-print paths are grouped in one workspace.
CN3D Projects
Build.Print.Share.
One place for printable files, BOMs, assembly guides, firmware setup, calibration, troubleshooting, videos and community support.
ActiveMMX
Multi-Material eXtruder
Complete path from files and BOM to hardware assembly, Happy Hare setup, calibration and first multicolor print.
Open MMXFilesSTL / 3MF / CADSetupHappy HareSupportDiscord
FilesPrintable releases
BuildBOM to first print
SupportCommunity help
01
Featured Projects
Production project hubs with release files, build paths, documentation and support links.
FlagshipActive workspace
MMX
Multi-Material eXtruder
Complete path from files and BOM to hardware assembly, Happy Hare setup, calibration and first multicolor print.
Public documentation liveNebula Extruder upgrade
NebulaTor
Nebula Extruder upgrade
CN3D-designed Nebula Extruder upgrade with public documentation now live and project files coming soon.
ToolsExisting workflow
CN
CN3D calibration
Printer preparation
Use the existing calibration workflow before printing tight functional project parts.
HelpProject support
PS
Project support
Feedback and maintenance
Use the existing CN3D support paths for feedback, corrections and project maintenance.
02
Browse Categories
01
Upgrades
Motion, extrusion and printer capability improvements.
02Electronics
Boards, wiring, sensors, lighting and safety notes.
03Calibration
Printer preparation before functional parts.
04Accessories
Useful printed tools, mounts and quality-of-life builds.
05Support
Feedback, corrections and maintenance paths.
06Community
Builder proof, photos, logs and validation links.
03
Latest Updates
Serial requests live
Working MMX builders can submit proof and request an official MMX OG serial number.
Community builds
Builder records are available for validated machines, printer notes and shared proof.
04
Community Builds
Real machines, logs and builder proof from the CN3D community.
Build record
SV08 MMX
Four-gate installation records with wiring notes and first multicolor validation.
Build record
CoreXY bench rig
Test setup focused on selector calibration and repeatable loading.
Build record
Enclosed build
Cable management, reliability notes and longer change testing.
CN3D Projects
Build in public with CN3D.
Use the production project hubs, submit working proof, or bring project feedback to the community.