# Gears: references

39 records: 0 read sources that the rules and checks may cite, and 39 records catalogued from the Reference Map, not yet read. Spur, helical, planetary and printed gear trains.

Catalogued records are search snippets: their numbers are the authors' claims and their licences are as the map states them, unread. Cite one only after reading it.

The same records as JSON: https://cad-agent.valpatel.com/catalog/references/gears.json. All areas: [references](../references.md).

## Records

| Record | Kind | Evidence | Confidence | Licence | Process | Role |
|---|---|---|---|---|---|---|
| [3D-printable-bearing-generator](https://github.com/DAguirreAg/3D-printable-bearing-generator) · DAguirreAg · `daguirreag-3d-printable-bearing-generator` | Open project | snippet only | low 0.4 | share-alike GPL-3.0, not read | 3D printing, Inserts and fasteners | Lessons |
| [3D-printed-cycloidal-actuator](https://github.com/sirojudinMunir/3D-printed-cycloidal-actuator) · sirojudinMunir · `sirojudinmunir-3d-printed-cycloidal-actuator` | Open project | snippet only | low 0.4 | open MIT, not read | 3D printing, Inserts and fasteners | Context |
| [3D-Printed-Cycloidal-Robotic-Actuator](https://github.com/LittleMooMooDingDingCow/3D-Printed-Cycloidal-Robotic-Actuator) · LittleMooMooDingDingCow · `littlemoomoodingdingcow-3d-printed-cycloidal-robotic` | Open project | snippet only | low 0.4 | open MIT, not read | 3D printing | Lessons |
| [3D-Printed-Planetary-Gearbox](https://github.com/NikodemBartnik/3D-Printed-Planetary-Gearbox) · NikodemBartnik · `nikodembartnik-3d-printed-planetary-gearbox` | Open project | snippet only | low 0.4 | licence unclear, not read | 3D printing, CNC machining | Lessons |
| [3D-Printed-Strain-Wave-Gear](https://github.com/HasslerEngineering/3D-Printed-Strain-Wave-Gear) · HasslerEngineering · `hasslerengineering-3d-printed-strain-wave-gear` | Open project | snippet only | low 0.4 | licence unclear, not read | 3D printing | Context |
| [Anti-Backlash Cycloidal Actuator](https://github.com/JelmerV/Anti-Backlash-Cycloidal-Actuator) · JelmerV · `jelmerv-anti-backlash-cycloidal-actuator` | Open project | snippet only | low 0.4 | share-alike, not read | 3D printing, Sheet metal and laser | Reference |
| [Anti-backlash cycloidal drives (Twente thesis)](https://essay.utwente.nl/essays/103595) · essay.utwente.nl · `anti-backlash-cycloidal-drives-twente-thesis` | Paper or thesis | snippet only | low 0.4 | licence unclear, not read |  |  |
| [CRAP cycloidal generator](https://github.com/dashs20/CRAP) · dashs20 · `dashs20-crap` | Open project | snippet only | low 0.4 | licence unclear, not read | 3D printing, CNC machining, Inserts and fasteners | Reference |
| [Cycloidal drive testing (forum)](https://canadianhobbymetalworkers.com/threads/cycloidal-drive-design-testing.6756/) · canadianhobbymetalworkers.com · `cycloidal-drive-testing-forum` | Forum thread | snippet only | low 0.4 | licence unclear, not read |  |  |
| [Cycloidal Drive V1 (zhangdong)](https://github.com/zhangdong-cheku/3D-Printed-Cycloidal-Drive-V1) · zhangdong-cheku · `zhangdong-cheku-3d-printed-cycloidal-drive-v1` | Open project | snippet only (authors' claim) | low 0.4 | licence unclear, not read | 3D printing | Context |
| [Cycloidal Drive V2 (zhangdong)](https://github.com/zhangdong-cheku/3D-Printed-Cycloidal-Drive-V2) · zhangdong-cheku · `zhangdong-cheku-3d-printed-cycloidal-drive-v2` | Open project | snippet only | low 0.4 | open Apache-2.0, not read | 3D printing | Context |
| [cycloidal\_gearbox (tom-ilan)](https://github.com/tom-ilan/cycloidal_gearbox) · tom-ilan · `tom-ilan-cycloidal-gearbox` | Open project | snippet only (authors' claim) | low 0.4 | licence unclear, not read | 3D printing | Lessons |
| [fabbearing (Jake Read)](https://bio.cba.mit.edu/jakeread/fabbearing) · bio.cba.mit.edu · `fabbearing-jake-read` | Open project | snippet only | low 0.4 | licence unclear, not read |  |  |
| [Faze4 robotic arm](https://github.com/Source-Robotics/Faze4-Robotic-arm) · Source-Robotics · `source-robotics-faze4-robotic-arm` | Open project | snippet only (authors' claim) | low 0.4 | licence unclear, not read | 3D printing | Reference |
| [FreeCAD\_BearingsWB](https://github.com/PraveenKum11/FreeCAD_BearingsWB) · PraveenKum11 · `praveenkum11-freecad-bearingswb` | Open project | snippet only | low 0.4 | share-alike GPL-3.0, not read | 3D printing, Inserts and fasteners | Lessons |
| [Fully 3D-printed gear drive (esk8 forum)](https://forum.esk8.news/t/fully-3d-printed-gear-drive-that-might-not-suck/4801?page=4) · forum.esk8.news · `fully-3d-printed-gear-drive-esk8-forum` | Forum thread | snippet only | low 0.4 | licence unclear, not read |  |  |
| [gears (chrisspen)](https://github.com/chrisspen/gears) · chrisspen · `chrisspen-gears` | Open project | snippet only | low 0.4 | licence unclear, not read | 3D printing | Lessons |
| [Harmonic vs cycloidal test (HowToMechatronics)](https://howtomechatronics.com/how-it-works/harmonic-vs-cycloidal-drive-designing-3d-printing-testing) · howtomechatronics.com · `harmonic-vs-cycloidal-test-howtomechatronics` | Article or blog post | snippet only | low 0.4 | licence unclear, not read |  |  |
| [HD20 printed harmonic drive](https://github.com/robrotics/hd20) · robrotics · `robrotics-hd20` | Open project | snippet only | low 0.4 | share-alike, not read | 3D printing, Inserts and fasteners | Reference |
| [HDP30 printed strain-wave drive](https://github.com/robrotics/hdp30) · robrotics · `robrotics-hdp30` | Open project | snippet only | low 0.4 | share-alike, not read | 3D printing, Sheet metal and laser, CNC machining, Inserts and fasteners | Leader |
| [HelicalGearPlus](https://github.com/nico-schluter/HelicalGearPlus) · nico-schluter · `nico-schluter-helicalgearplus` | Open project | snippet only | low 0.4 | licence unclear, not read |  | Context |
| [Hybrid polymer ball bearing with printed races](https://avesis.gazi.edu.tr/yayin/459511c0-2b77-4128-aeff-a326a6fbfa40/vibration-analysis-of-a-hybrid-polymer-ball-bearing-with-3d-printed-races) · avesis.gazi.edu.tr · `hybrid-polymer-ball-bearing-with-printed-races` | Paper or thesis | snippet only | low 0.4 | licence unclear, not read |  |  |
| [Internal-Cycloidal-Actuator](https://github.com/aaedmusa/Internal-Cycloidal-Actuator) · aaedmusa · `aaedmusa-internal-cycloidal-actuator` | Open project | snippet only | low 0.4 | licence unclear, not read |  | Lessons |
| [Internal-Cycloidal-Robotic-Actuator](https://github.com/KoshiroRobot/Internal-Cycloidal-Robotic-Actuator) · KoshiroRobot · `koshirorobot-internal-cycloidal-robotic-actuator` | Open project | snippet only | low 0.4 | open MIT, not read |  | Context |
| [Parametric ball bearing (MakerWorld 2108208)](https://makerworld.com/en/models/2108208-fully-parametric-customizable-ball-bearing-default) · makerworld.com · `parametric-ball-bearing-makerworld-2108208` | Open project | snippet only (authors' claim) | low 0.4 | licence unclear, not read |  |  |
| [PLA slewing ring with wire raceways](https://et-old.ippt.pan.pl/index.php/et/article/download/3133/2502) · et-old.ippt.pan.pl · `pla-slewing-ring-with-wire-raceways` | Paper or thesis | snippet only | low 0.4 | licence unclear, not read |  |  |
| [Planetary-Generator](https://github.com/mateuszdrwal/Planetary-Generator) · mateuszdrwal · `mateuszdrwal-planetary-generator` | Open project | snippet only | low 0.4 | share-alike GPL-2.0, not read |  | Context |
| [Printable linear bearing (RepRap)](https://reprap.org/wiki/Printable_linear_bearing) · reprap.org · `printable-linear-bearing-reprap` | Open project | snippet only | low 0.4 | licence unclear, not read |  |  |
| [Printabot PTFE turntables](https://github.com/Printabot/3d-printed-ptfe-turntables) · Printabot · `printabot-3d-printed-ptfe-turntables` | Open project | snippet only (authors' claim) | low 0.4 | open MIT, not read | 3D printing, CNC machining | Lessons |
| [Printed harmonic drive (MakerWorld 402774)](https://makerworld.com/en/models/402774-harmonic-drive) · makerworld.com · `printed-harmonic-drive-makerworld-402774` | Open project | snippet only (authors' claim) | low 0.4 | licence unclear, not read |  |  |
| [Printed slewing bearing (MakerWorld 217548)](https://makerworld.com/models/217548) · makerworld.com · `printed-slewing-bearing-makerworld-217548` | Open project | snippet only (authors' claim) | low 0.4 | non-commercial, not read |  |  |
| [Printed thrust bearing (Bartneck, Laimer slew)](https://www.bartneck.de/?p=3556) · bartneck.de · `printed-thrust-bearing-bartneck-laimer-slew` | Open project | snippet only | low 0.4 | licence unclear, not read |  |  |
| [Slewing bearing (MakerWorld 32748)](https://makerworld.com/en/models/32748-slewing-bearing) · makerworld.com · `slewing-bearing-makerworld-32748` | Open project | snippet only | low 0.4 | licence unclear, not read |  |  |
| [Sovol: printing gears that work](https://www.sovol3d.com/blogs/news/3d-printing-gears-that-actually-work-backlash-orientation-and-material-tips) · sovol3d.com · `sovol-printing-gears-that-work` | Article or blog post | snippet only | low 0.4 | licence unclear, not read |  |  |
| [Testing a printed cycloidal gearbox (Hackaday)](https://hackaday.com/2026/08/01/testing-a-3d-printed-cycloidal-gearbox-design/) · hackaday.com · `testing-a-printed-cycloidal-gearbox-hackaday` | Article or blog post | snippet only (authors' claim) | low 0.4 | licence unclear, not read |  |  |
| [Theseus: printed friction torque limiter](https://www.theseus.fi/handle/10024/910970) · theseus.fi · `theseus-printed-friction-torque-limiter` | Paper or thesis | snippet only | low 0.4 | licence unclear, not read |  |  |
| [TipTapMotor](https://github.com/DarrenLevine/TipTapMotor) · DarrenLevine · `darrenlevine-tiptapmotor` | Open project | snippet only | low 0.4 | open MIT, not read | 3D printing, PCB and electronics | Lessons |
| [wormgear (pzfreo)](https://github.com/pzfreo/wormgear) · pzfreo · `pzfreo-wormgear` | Open project | snippet only (authors' claim) | low 0.4 | open MIT, not read | 3D printing, CNC machining | Reference |
| [XRobots CycloidalDrive](https://github.com/XRobots/CycloidalDrive) · XRobots · `xrobots-cycloidaldrive` | Open project | snippet only | low 0.4 | open MIT, not read |  | Context |