Ultimaker/CuraEngine

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Powerful, fast and robust engine for converting 3D models into g-code instructions for 3D printers. It is part of the larger open source project Cura.

Stars: 1.9k
Forks: 933
Open beginner issues: 0
Indexed issues: 199
Avg merge: 3d 9h
Merged PRs (30d): 10

Dominant language: C++
License: AGPL-3.0
Last GitHub push: Sep 16, 2026
Latest indexed: Sep 20, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

Open All

199 open issues indexed

Build instructions for windows Open

Difficulty 1/5 Under an hour Newbie friendliness 82/100

Ultimaker/CuraEngine#2329 · Opened Apr 20, 2026
[2025-12-10 01:23:38.794] [error] Trying to retrieve setting with no value given: min_wall_line_width Open

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

Ultimaker/CuraEngine#2268 · Opened Dec 9, 2025
SkeletalTrapezoidation::filterCentral never enter the if Open

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

Ultimaker/CuraEngine#2265 · Opened Nov 24, 2025
Feature Request: Add Plugin Slot for Top/Bottom Surface Pattern Generation Open

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

Ultimaker/CuraEngine#2262 · Opened Nov 10, 2025
brim only part when use machine_center_is_zero = true Open

Status: Needs Info

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

Ultimaker/CuraEngine#2245 · 3 comments · Opened Sep 17, 2025
Which version of protobuf installation of CuraEngine5.10? Open

Difficulty 1/5 Under an hour Newbie friendliness 20/100

Ultimaker/CuraEngine#2237 · Opened Jun 13, 2025
Build release error Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

Ultimaker/CuraEngine#2236 · 6 comments · Opened Jun 8, 2025
Can't build with Conan Open

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

Ultimaker/CuraEngine#2233 · 3 comments · Opened May 30, 2025
CMaketLists.txt line 245 "boost::boost" case error! Open

Difficulty 1/5 Under an hour Newbie friendliness 55/100

Ultimaker/CuraEngine#2228 · Opened May 9, 2025
npm doesn't have curaenginejs Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

Ultimaker/CuraEngine#2223 · 1 comment · Opened Apr 16, 2025
ERROR: Version conflict Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

Ultimaker/CuraEngine#2209 · 1 comment · Opened Mar 8, 2025
Using Different Slicing Modes for Stacked Models in CuraEngine Open

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

Ultimaker/CuraEngine#2203 · Opened Jan 28, 2025
Folder names get mixed up while switching between projects Open

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

Ultimaker/CuraEngine#2201 · Opened Jan 22, 2025
CuraEngine version missmatch Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

Ultimaker/CuraEngine#2199 · Opened Jan 21, 2025
CuraEngine 5.8.1 missing file Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

Ultimaker/CuraEngine#2197 · Opened Jan 20, 2025
demanding standardprojectsettings while building Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

Ultimaker/CuraEngine#2196 · 1 comment · Opened Jan 3, 2025
Unable to build on ArchLinux / Failed requirements Open

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

Ultimaker/CuraEngine#2195 · 5 comments · Opened Jan 3, 2025
`find_package(standardprojectsettings REQUIRED)` Fails in `CMakeLists.txt` Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

Ultimaker/CuraEngine#2194 · 7 comments · Opened Dec 31, 2024
Reducing the amount of retractions Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

Ultimaker/CuraEngine#2193 · 1 reaction · Opened Dec 29, 2024
2 models, 2 tools one at the time Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

Ultimaker/CuraEngine#2185 · 6 comments · Opened Dec 10, 2024
Run CuraEngine from commandline with EnginePlugins Open

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

Ultimaker/CuraEngine#2182 · Opened Dec 7, 2024
Error on generating G-Code from STL Open

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

Ultimaker/CuraEngine#2176 · Opened Nov 25, 2024
[5.6.0] Top and bottom layer height error with adaptive layers Open

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

Ultimaker/CuraEngine#2171 · Opened Nov 10, 2024
[5.9.0-beta.1] Coasting causes moves to Z=0 Open

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

Ultimaker/CuraEngine#2157 · Opened Oct 24, 2024
The algorithm for finding the optimal path does not take into account the combining mode Open

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

Ultimaker/CuraEngine#2143 · Opened Sep 15, 2024
Where do I add this code to? Open

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

Ultimaker/CuraEngine#2102 · Opened Jun 23, 2024
Slice error with multi-filament interlocking, with boundary avoidence = 0 Open

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

Ultimaker/CuraEngine#2101 · 2 comments · Opened Jun 21, 2024
Spiralize ignoring gaps in walls Open

Status: Triage Type: Bug

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

Ultimaker/CuraEngine#2098 · 1 comment · Opened Jun 18, 2024
No valid windows executable of CuraEngine_plugin_infill_generate is build with VS2022 17.10 - Slicing always fails Open

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

Ultimaker/CuraEngine#2090 · Opened Jun 10, 2024
Illogical protobuf dependency conflict in CuraEngine 5.7.0 Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

Ultimaker/CuraEngine#2068 · 1 comment · Opened Apr 21, 2024
[ERROR] Inherited JSON file "fdmextruder" not found. Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

Ultimaker/CuraEngine#2064 · Opened Apr 11, 2024
Tree support tip generation leaves corners unsupported Open

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

Ultimaker/CuraEngine#2037 · 1 comment · Opened Feb 27, 2024
CuraEngine from command line fails to accept default_value from non-leaf config json nodes Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

Ultimaker/CuraEngine#2027 · 2 comments · Opened Jan 30, 2024
Wrong extrusion moves with fractional-layer support and Z-hop Open

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

Ultimaker/CuraEngine#2022 · 1 comment · Opened Jan 26, 2024
CuraEngine::LayerPlanTest/AllCombinations/AddTravelTest.NoRetractionIfDisabled/20 fails because sliceDataStorage.storage.supportLayers hasn't been initialized properly Open

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

Ultimaker/CuraEngine#2008 · 1 comment · Opened Jan 8, 2024
CuraEngine - Zero print time, zero filament used, Stopping process because there are no non-empty layers. Open

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

Ultimaker/CuraEngine#2004 · 2 comments · Opened Jan 4, 2024
Wall inclination on bridges when they should be 90º Open

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

Ultimaker/CuraEngine#1987 · Opened Nov 22, 2023
Fluid Motion Smoothing Fails to Smooth in Some Cases Open

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

Ultimaker/CuraEngine#1982 · 1 comment · Opened Nov 14, 2023
Different print times with same settings but different nozzle (for single wall object) Open

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

Ultimaker/CuraEngine#1976 · Opened Oct 27, 2023
Can I modify the slicing algorithm based on the Curaengine source code？ Open

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

Ultimaker/CuraEngine#1966 · 4 comments · Opened Oct 8, 2023
Arcus error 1884 Open

Difficulty 3/5 1-2 days Newbie friendliness 12/100

Ultimaker/CuraEngine#1920 · 1 comment · Opened Aug 2, 2023
Is there a plugin feature? Could I use it to set different temperatures for different layerparts in a model? Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

Ultimaker/CuraEngine#1892 · Opened Jun 28, 2023
cannot connect to Cura using "./build/Debug/CuraEngine connect 127.0.0.1.49674" command Open

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

Ultimaker/CuraEngine#1883 · Opened May 24, 2023
[5.x.x] Bug with random CW/CCW wall directions in thin walls Open

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

Ultimaker/CuraEngine#1874 · 1 reaction · Opened Apr 6, 2023
[5.3.0] Retraction speeds / length not correctly applied for IDEX (and possibly other multi-extruder printers) Open

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

Ultimaker/CuraEngine#1866 · 4 comments · Opened Mar 26, 2023
Command line setting from json file have no effect when CuraEngine is called from command line Open

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

Ultimaker/CuraEngine#1865 · 2 comments · Opened Mar 21, 2023
[5.2] Tried to add an item to batch without mesh Open

Difficulty 4/5 3-5 days Newbie friendliness 15/100

Ultimaker/CuraEngine#1854 · Opened Mar 3, 2023
Command line CuraEngine errors: [error] Trying to retrieve setting with no value given: Open

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

Ultimaker/CuraEngine#1819 · 2 comments · Opened Feb 7, 2023
CuraEngine error "Trying to retrieve setting with no value given: machine_disallowed_areas" Open

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

Ultimaker/CuraEngine#1801 · 2 reactions · Opened Jan 12, 2023
How to add curaengine compiled from source to local Conan cache? Open

Difficulty 4/5 3-5 days Newbie friendliness 32/100

Ultimaker/CuraEngine#1782 · 1 comment · Opened Dec 1, 2022

Ultimaker/CuraEngine

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