> For the complete documentation index, see [llms.txt](https://docs.revrobotics.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.revrobotics.com/docs/duo/build-system.md).

# Build System

## DUO Build System

| [REV DUO Build System Landing Page](https://docs.revrobotics.com/duo-build/) |
| :--------------------------------------------------------------------------: |

### Structure

<table data-view="cards"><thead><tr><th></th><th data-hidden data-card-cover data-type="files"></th></tr></thead><tbody><tr><td><strong>Extrusion and Channel</strong><br><br><a href="/duo-build/structure/intro/15mm-extrusion.md">15mm Extrusion</a><br><br><a href="/duo-build/structure/intro/15mm-x-45mm-c-channel.md">C Channel<br></a><br><a href="/duo-build/structure/intro/45mm-x-45mm-u-channel.md">U Channel</a></td><td><a href="https://3172778982-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FQpUff2Tw0aAY2K1UwemO%2Fuploads%2F83TsHdDzSAjP72marQXb%2FExtrusion%20and%20Channel_GB-Card.png?alt=media&amp;token=3ea8cfc5-0d4e-4972-9f53-60328210d510">Extrusion and Channel_GB-Card.png</a></td></tr><tr><td><strong>Plates and Beams</strong><br><br><a href="/duo-build/structure/intro/flat-plate.md">Flat Plate</a><br><br><a href="/duo-build/structure/intro/flat-beam.md">Flat Beam</a><br><br><a href="/duo-build/structure/intro/l-beam.md">L Beam</a></td><td><a href="https://3172778982-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FQpUff2Tw0aAY2K1UwemO%2Fuploads%2FJPEkxu5EwlLzfFsi5GjR%2FPlates%20and%20Beams_GB-Card.png?alt=media&amp;token=03abebd9-96c9-4dca-a970-b5ac1e1bf178">Plates and Beams_GB-Card.png</a></td></tr><tr><td><strong>Other Structure</strong><br><br><a href="/duo-build/motion/linear-motion.md">Linear Motion</a><br><br><a href="/duo-build/structure/brackets.md">Brackets</a><br><br><a href="/duo-build/structure/m3-hardware.md">M3 Hardware</a></td><td><a href="https://3172778982-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FQpUff2Tw0aAY2K1UwemO%2Fuploads%2FvAu57N5WYKWXXQNm5bmb%2FGeneric%20Structure_GB-Card.png?alt=media&amp;token=cee01856-fdfb-41c0-8724-7330e7622566">Generic Structure_GB-Card.png</a></td></tr></tbody></table>

### Motion

<table data-view="cards"><thead><tr><th></th><th data-hidden data-card-cover data-type="files"></th></tr></thead><tbody><tr><td><strong>Actuators</strong><br><br><a href="/duo-build/motion/motors/hd-hex-motor.md">HD Hex Motor<br></a><br><a href="/rev-crossover-products/servo/srs.md">Smart Robot Servo</a><br><br><a href="/duo-build/motion/motors/core-hex-motor.md">Core Hex Motor</a></td><td><a href="https://3172778982-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FQpUff2Tw0aAY2K1UwemO%2Fuploads%2FuMTOcZl1CIxGPomTIHAF%2FActuators_GB-Card%20(1).png?alt=media&amp;token=533df9ec-4b9a-4448-acbf-a06d0d7eef87">Actuators_GB-Card (1).png</a></td></tr><tr><td><strong>Gearboxes and Gears</strong><br><br><a href="/rev-crossover-products/ultraplanetary/up-gearbox.md">UltraPlanetary System</a><br><br><a href="/rev-crossover-products/ultraplanetary/up-gearbox.md">Ultra 90 Degree Gearbox<br></a><br><a href="/duo-build/motion/gears.md">Gear Basics</a></td><td><a href="https://3172778982-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FQpUff2Tw0aAY2K1UwemO%2Fuploads%2FetDdNHtZUMB8rKhVSr15%2FGears%20and%20Gearboxes_GB-Card%20(1).png?alt=media&amp;token=ec1e7509-97df-4f5d-ad8c-0af5d866310e">Gears and Gearboxes_GB-Card (1).png</a></td></tr><tr><td><strong>Transmitting Motion</strong><br><br><a href="/duo-build/motion/sprockets-and-chain.md">Sprockets and Chain</a><br><br><a href="/duo-build/motion/timing-belts-and-pulleys.md">Timing Belts and Pulleys</a><br><br><a href="/duo-build/motion/wheels.md">Wheels</a></td><td><a href="https://3172778982-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FQpUff2Tw0aAY2K1UwemO%2Fuploads%2FpxvGwB6p3iril9vEiG7Y%2FTransmitting%20Motion_GB-Card.png?alt=media&amp;token=7ba735bf-2f78-4169-9388-dd5a82069d2f">Transmitting Motion_GB-Card.png</a></td></tr></tbody></table>

### Building Techniques

<table data-view="cards" data-full-width="false"><thead><tr><th></th><th data-hidden data-card-target data-type="content-ref"></th><th data-hidden data-card-cover data-type="files"></th></tr></thead><tbody><tr><td>Tips and Tricks for Building</td><td><a href="/duo-build/building/tips-and-tricks.md">Tips and Tricks for Building</a></td><td><a href="https://3172778982-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FQpUff2Tw0aAY2K1UwemO%2Fuploads%2FjhjbZWCFm9qIVYRCLWfd%2FTips%20and%20Tricks_GB-Card.png?alt=media&amp;token=9838cccb-7f45-40ff-9a6b-c94f4b0ae6db">Tips and Tricks_GB-Card.png</a></td></tr><tr><td>Support Motion</td><td><a href="/duo-build/building/supporting-motion.md">Supporting Motion</a></td><td><a href="https://3172778982-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FQpUff2Tw0aAY2K1UwemO%2Fuploads%2FnFtHS3p5C12b4yCbwlQG%2FSupporting%20Motion_GB-Card%20(1).png?alt=media&amp;token=7f4a9d94-7cef-4f88-80b6-f0697576e816">Supporting Motion_GB-Card (1).png</a></td></tr><tr><td>Constraining Motion</td><td><a href="/duo-build/building/constraining-motion.md">Constraining Motion</a></td><td><a href="https://3172778982-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FQpUff2Tw0aAY2K1UwemO%2Fuploads%2F1pxI1DlzW5nGuG5bRUK8%2FConstraining%20Motion_GB-Card.png?alt=media&amp;token=f10246ad-29d0-490a-bb09-c4f5b0a21ca9">Constraining Motion_GB-Card.png</a></td></tr></tbody></table>