Owner

Ultimaker

10 indexed repositories · View on GitHub

Cura
3D printer / slicing GUI built on top of the Uranium framework

Python · 7041 stars
CuraEngine
Powerful, fast and robust engine for converting 3D models into g-code instructions for 3D printers. It is part of the larger open source ...

C++ · 1851 stars
Uranium
A Python framework for building Desktop applications.

Python · 348 stars
libArcus
Communication library between internal components for Ultimaker software

C++ · 78 stars
pynest2d
Python bindings for libnest2d

Python · 41 stars
cura-binary-data
Contains binary data for Cura releases, like compiled translations and firmware.

C · 11 stars
um-kernel
Ultimaker linux kernel config files and build scripts

Shell · 6 stars
conan-config

Python · 2 stars
conan-ultimaker-index

Python · 0 stars
pyArcus
Python bindings for Arcus communication library between internal components for Ultimaker software

C++ · 0 stars

Beginner friendly Everything

Open All

slicing model fail Open

Slicing Error :collision: Status: Needs Info Status: Triage Type: Bug

Difficulty 4/5 3-5 days Newbie friendliness 25/100

Ultimaker/Cura#21812 · 1 comment · Opened Sep 20, 2026
5-14 beta Support Base is interfering with 1st layer support extrusions Open

PreRelease :bug: Type: Bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

Ultimaker/Cura#21811 · 1 reaction · Opened Sep 19, 2026
No dox on how & where Generic Filaments are managed Open

Type: Question

Difficulty 4/5 3-5 days Newbie friendliness 35/100

Ultimaker/Cura#21809 · 1 comment · Opened Sep 16, 2026
Use equation with replaceable words in the GUI Open

Status: Triage Type: New Feature

Difficulty 5/5 Over a week Newbie friendliness 35/100

Ultimaker/Cura#21808 · Opened Sep 16, 2026
Some settings refuse non-numerical entries Open

Type: Question

Difficulty 3/5 1-2 days Newbie friendliness 58/100

Ultimaker/Cura#21802 · 1 comment · Opened Sep 14, 2026
Paintable Fuzzy skin Open

Status: Triage Type: New Feature

Difficulty 5/5 Over a week Newbie friendliness 35/100

Ultimaker/Cura#21800 · 2 comments · Opened Sep 13, 2026
problema en la segmentacion Open

Slicing Error :collision: Status: Needs Info Status: Triage Type: Bug

Difficulty 5/5 Over a week Newbie friendliness 25/100

Ultimaker/Cura#21798 · 1 comment · Opened Sep 10, 2026
wrong MAXZ in the gcode file Open

Status: Triage Type: Bug

Difficulty 3/5 1-2 days Newbie friendliness 62/100

Ultimaker/Cura#21796 · 13 comments · Opened Sep 9, 2026
slicing failed Open

Slicing Error :collision: Status: Not UltiMaker Cura Status: Triage Type: Bug

Difficulty 5/5 Over a week Newbie friendliness 15/100

Ultimaker/Cura#21791 · 1 comment · Opened Sep 6, 2026
Cura crashes after waking from suspend Open

Status: Won't Fix/Do Type: Bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

Ultimaker/Cura#21784 · 1 comment · Opened Sep 2, 2026
5.14 Alpha UI Hang Exiting Machine Settings Open

Status: Triage Type: Bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

Ultimaker/Cura#21776 · 4 comments · Opened Aug 28, 2026
5.14 alpha inserts StartUp G-Code after "Purge lines and unload" code. Open

PreRelease :bug: Status: Under Investigation Type: Bug

Difficulty 3/5 1-2 days Newbie friendliness 68/100

Ultimaker/Cura#21771 · 6 comments · Opened Aug 27, 2026
Cura crashes on freebsd when slicing Open

Help Wanted :question: PR: Operating Systems :computer:

Difficulty 4/5 3-5 days Newbie friendliness 45/100

Ultimaker/Cura#21765 · 3 comments · Opened Aug 23, 2026
temperature color scheme in its preview mode Open

Status: Triage Type: New Feature

Difficulty 4/5 3-5 days Newbie friendliness 35/100

Ultimaker/Cura#21762 · 1 comment · Opened Aug 19, 2026
Support Distance XY - Zero or negative with "Support Placement Everywhere" Option on Open

Type: Question

Difficulty 4/5 3-5 days Newbie friendliness 45/100

Ultimaker/Cura#21748 · 1 comment · Opened Aug 10, 2026
Feature Request: Isolate "Initial Layer Line Width" from specific wall/infill line width settings Open

Status: Triage Type: New Feature

Difficulty 5/5 Over a week Newbie friendliness 45/100

Ultimaker/Cura#21743 · 8 comments · Opened Aug 6, 2026
Error when multiplying the model Open

Slicing Error :collision: Status: Triage Type: Bug

Difficulty 4/5 3-5 days Newbie friendliness 42/100

Ultimaker/Cura#21740 · 1 comment · Opened Aug 3, 2026
UI scaling problem on HDPI (4K) displays when coming out of sleep in Windows Open

Type: Bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

Ultimaker/Cura#21739 · 4 comments · Opened Aug 1, 2026
show open file location Open

Status: Triage Type: New Feature

Difficulty 4/5 3-5 days Newbie friendliness 55/100

Ultimaker/Cura#21736 · 1 comment · Opened Jul 30, 2026
Wrong part name shown in Monitor and Digital Factory Open

Status: Triage Type: Bug

Difficulty 3/5 1-2 days Newbie friendliness 55/100

Ultimaker/Cura#21735 · Opened Jul 29, 2026
Cannot import/save files (flatpak) Open

Status: Triage Type: Bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

Ultimaker/Cura#21732 · 2 comments · Opened Jul 28, 2026
Please add support for the Anycubic K3MC. Open

Help Wanted :question: PR: Printer Definitions :factory:

Difficulty 5/5 Over a week Newbie friendliness 25/100

Ultimaker/Cura#21728 · 5 comments · Opened Jul 23, 2026
Cura reflects internals on outer perimeter on two-loop wall thickness Open

Status: Triage Type: Bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

Ultimaker/Cura#21724 · 8 comments · Opened Jul 21, 2026
Crash when copying and pasting an object Open

Status: Triage Type: Bug

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

Ultimaker/Cura#21723 · Opened Jul 20, 2026
FLASHFORGE ADVENTURER 3 - PROBLEMS WITH LAST VERSION Open

Type: Question

Difficulty 4/5 3-5 days Newbie friendliness 35/100

Ultimaker/Cura#21720 · 3 comments · Opened Jul 17, 2026
Stray old cura.cfg in data directory causes new preferences file (cura.cfg in config directory) to be overwritten on every start ("What's New" dialog shown on every launch) - old cura.cfg is *not* removed from data directory after Upgrade! Open

Status: Triage Type: Bug

Difficulty 3/5 1-2 days Newbie friendliness 70/100

Ultimaker/Cura#21718 · 1 reaction · Opened Jul 16, 2026
Slicing failed for an S8 print job Open

Slicing Error :collision: Status: Triage Type: Bug

Difficulty 4/5 3-5 days Newbie friendliness 28/100

Ultimaker/Cura#21715 · 2 comments · Opened Jul 14, 2026
Sliceing always fails Open

Slicing Error :collision: Status: Triage Type: Bug

Difficulty 4/5 3-5 days Newbie friendliness 25/100

Ultimaker/Cura#21709 · 8 comments · Opened Jul 12, 2026
slicing fehlgeschlagen Open

Slicing Error :collision: Status: Triage Type: Bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

Ultimaker/Cura#21708 · 2 comments · Opened Jul 10, 2026
Open Project using existing profiles Open

Status: Duplicate Type: New Feature

Difficulty 5/5 Over a week Newbie friendliness 35/100

Ultimaker/Cura#21699 · 2 comments · Opened Jul 4, 2026
Add a split tool (planar cut) and improve layer preview definition Open

Status: Triage Type: New Feature

Difficulty 5/5 Over a week Newbie friendliness 35/100

Ultimaker/Cura#21679 · 8 comments · Opened Jun 24, 2026
Slicing Error: Overlapping Lines using ZigZag Skin Pattern Open

Type: Discussion

Difficulty 4/5 3-5 days Newbie friendliness 42/100

Ultimaker/Cura#21675 · 1 comment · Opened Jun 22, 2026
5.11.0 AppImage is crashing Open

Status: Triage Type: Bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

Ultimaker/Cura#21674 · 2 comments · 1 reaction · Opened Jun 22, 2026
SideBarGUI & TabbedSettings Plugins Native Cura Integration Open

Status: Triage Type: New Feature

Difficulty 5/5 Over a week Newbie friendliness 25/100

Ultimaker/Cura#21671 · 11 comments · Opened Jun 20, 2026
Cura positions support tress OUTSIDE actual printable area Open

Status: Under Investigation Type: Bug

Difficulty 4/5 3-5 days Newbie friendliness 38/100

Ultimaker/Cura#21670 · 6 comments · Opened Jun 18, 2026
Duplicate (un)retractions Open

Status: On Backlog Status: Under Investigation Type: Bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

Ultimaker/Cura#21668 · 5 comments · Opened Jun 17, 2026
Collision when aborting printing - Print sequence: "One at a Time" Open

Status: On Backlog Type: Discussion

Difficulty 4/5 3-5 days Newbie friendliness 45/100

Ultimaker/Cura#21652 · 10 comments · Opened Jun 9, 2026
Adding printers not working - Cura quits Open

Status: Triage Type: Bug

Difficulty 4/5 3-5 days Newbie friendliness 38/100

Ultimaker/Cura#21641 · Opened Jun 4, 2026
"Display Info on LCD" outputs ISO-8859-1, "Klipper preprocessor" cannot handle ISO-8859-1 Open

Status: Under Investigation Type: Bug

Difficulty 2/5 1-3 hours Newbie friendliness 58/100

Ultimaker/Cura#21624 · 3 comments · Opened May 24, 2026
Sezionamento non riuscito Open

Type: Discussion

Difficulty 4/5 3-5 days Newbie friendliness 25/100

Ultimaker/Cura#21621 · 4 comments · Opened May 22, 2026
Support for multi bed printers (OrangeStorm Giga) Open

Type: Discussion Type: New Feature

Difficulty 5/5 Over a week Newbie friendliness 32/100

Ultimaker/Cura#21613 · 15 comments · Opened May 21, 2026
Unsigned dependencies in retail builds triggering security software Open

Type: New Feature

Difficulty 4/5 3-5 days Newbie friendliness 45/100

Ultimaker/Cura#21610 · 1 comment · Opened May 20, 2026
Preferences window automatically switches to 'General' Open

Status: Under Investigation Type: Discussion

Difficulty 3/5 1-2 days Newbie friendliness 52/100

Ultimaker/Cura#21607 · 3 comments · Opened May 17, 2026
slicing failure Cura 5.12.1 Open

Slicing Error :collision: Status: Under Investigation Type: Bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

Ultimaker/Cura#21603 · 2 comments · Opened May 14, 2026
Cant open Cura without disabline update checked and marketplace plugins Open

Status: Triage Type: Bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

Ultimaker/Cura#21593 · 3 comments · Opened May 7, 2026
Avoid starting a layer on overhang edge corner (again) Open

Status: Triage Type: New Feature

Difficulty 5/5 Over a week Newbie friendliness 35/100

Ultimaker/Cura#21591 · 7 comments · Opened May 7, 2026
"Infill Skin Support" setting has regressed previous very good infill skin support generation Open

Type: Improvement

Difficulty 4/5 3-5 days Newbie friendliness 50/100

Ultimaker/Cura#21590 · 7 comments · Opened May 7, 2026
USB control & printing Open

Status: Deferred Status: Duplicate Type: Improvement

Difficulty 4/5 3-5 days Newbie friendliness 30/100

Ultimaker/Cura#21585 · 3 comments · Opened May 3, 2026
Freeze on slice for simple print Open

Status: Triage Status: Under Investigation Type: Bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

Ultimaker/Cura#21584 · 1 comment · Opened May 2, 2026
after repair with mesh tools still fails slcing Open

Slicing Error :collision: Status: Triage Type: Bug

Difficulty 4/5 3-5 days Newbie friendliness 25/100

Ultimaker/Cura#21580 · 2 comments · Opened May 1, 2026

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