Hey Snapmaker community! I’ve built a free web tool that converts Bambu Lab .3mf projects to Snapmaker U1 format, preserving your multi-color painting work. Link: https://bl2u1.nbn.cat Off-line/self hosted version: GitHub - josuanbn/bl2u1: Bambulab Studio to Snapmaker Orca (for the U1) converters…

Sorry, but what are the advantages of this conversion besides automatic color assignment? I import models from MakerWorld via Ctrl+I (File → Import → Import 3MF/STL) and don’t get any errors. The only thing I have to do is manually assign colors to the extruders. Also, it would be great to know wh…

Please, read the Note at the original post: Here you have the code: GitHub - josuanbn/bl2u1: Bambulab Studio to Snapmaker Orca (for the U1) converters (

The mf3 from this model throws a json exception: https://makerworld.com/de/models/2326423-dragon-head-pen-holder-aggressive-desk-organizer?from=search#profileId-2541391

Das wird vermutlich an den weit über 1 Mio. Polygonen liegen, die da verarbeitet werden müssen - das Modell ist selbst in Bambu Studio eine Herausforderung ….

yeah, this will be the case. Did some other bigger parts with same problem.

Hi, I increased the timeout for big files, and now works as expected

[image] josuanbn: free web tool that converts Bambu Lab .3mf projects to Snapmaker U1 format, preserving your multi-color painting work. Welcome to the Awesome List - Awesome Snapmaker List & Resources - 3D Printing, Laser, CNC We gotta make a docker container out of this, what do you think? …

[image] nweolu: Welcome to the Awesome List - Awesome Snapmaker List & Resources - 3D Printing, Laser, CNC We gotta make a docker container out of this, what do you think? Up to you!

Suggestion: Instead of giving all the corrected files the same name. I think if something like -U1 to the end of the original file name.

[image] nweolu: Awesome Snapmaker List & Resources - 3D Printing, Laser, CNC Has anyone done this yet? (for those moments when the site is down - which is now…) :slightly_smiling_face:

[Tool] Bambu Lab to Snapmaker U1 .3mf Converter - Keep your color painting!

U1 Toolchanger

josuanbn March 10, 2026, 9:13pm 9

Up to you!

Paxx12 Extended Firmware

Topic		Replies	Views
Easy way to print Makerworld colored files on Snapmaker U1 U1 Featured Showcase Collection Tips	22	8680	February 23, 2026
U1 Forge — convert any Bambu/Prusa/MakerWorld .3mf to work on the U1 toolchanger U1 Toolchanger	0	156	May 17, 2026
【Project Directory Summary ！！】 Projects, Tips & Mods	6	169	May 13, 2026
Fremdfilamente in Snapmaker Orca importieren U1 Toolchanger	13	570	March 13, 2026
Color picture to multi-color print with AI U1 Toolchanger	2	148	April 10, 2026

[Tool] Bambu Lab to Snapmaker U1 .3mf Converter - Keep your color painting!

Related topics