Brackets and mounts
modular three-deck robot chassis
- Bounding box
- 300 × 250 × 206 mm
- Engine
- 3D Printing B-rep
- Parameters
- 31
- Published
- October 29, 2026
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The prompt
Create a 3D-printable robot chassis using OpenSCAD. IMPORTANT: Return ONLY one fenced ```openscad code block containing the complete executable OpenSCAD script. No explanations outside the code block. Make three separate horizontal rectangular plates, each 300 mm long, 250 mm wide, and 4 mm thick, with rounded corners and mounting holes. Position them vertically with 80 mm clear spacing. Connect them with four cylindrical standoffs and screw holes. Add adjustable motor mounting slots on the bottom plate, cable pass-through holes, a low central battery space, and a raised central circular LiDAR mounting platform on the top plate. Include a simple forward-facing camera bracket. Use millimetres and standard OpenSCAD primitives only. Leave unspecified component mounting patterns adjustable. Prioritize simple, valid, printable geometry.
Parameters
| Name | Value | Range |
|---|---|---|
| Plate length X | 300 mm | 100 – 500 |
| Plate width Y | 250 mm | 80 – 500 |
| Plate thickness | 4 mm | 2 – 10 |
| Plate corner radius | 10 mm | 2 – 40 |
| Clear gap between decks | 80 mm | 20 – 200 |
| Standoff diameter | 12 mm | 6 – 25 |
| Standoff through hole | 3.2 mm | 2 – 6 |
| Standoff inset from plate edge | 25 mm | 10 – 80 |
| Battery recess length X | 120 mm | 40 – 260 |
| Battery recess width Y | 90 mm | 30 – 200 |
| Recess depth in bottom plate | 2 mm | 0.5 – 3 |
| Slot length | 30 mm | 10 – 80 |
| Slot width | 4.5 mm | 3 – 8 |
| Slot X offset | 105 mm | 50 – 140 |
| Slot Y offset | 40 mm | 10 – 100 |
| Cable hole diameter | 20 mm | 6 – 40 |
| Cable hole X offset | 85 mm | 20 – 140 |
| Cable hole Y offset | 78 mm | 20 – 110 |
| Platform diameter | 90 mm | 40 – 180 |
| Platform height | 8 mm | 3 – 30 |
| Central cable hole | 20 mm | 6 – 40 |
| Bolt circle radius | 32 mm | 15 – 70 |
| Bolt clearance hole | 3.4 mm | 2 – 6 |
| Central hole in top plate | 40 mm | 20 – 80 |
| Bracket width | 50 mm | 20 – 120 |
| Vertical wall height | 30 mm | 15 – 80 |
| Foot depth Y | 25 mm | 12 – 60 |
| Bracket wall thickness | 4 mm | 2.5 – 10 |
| Camera slot width | 5 mm | 3 – 12 |
| Camera slot height | 18 mm | 6 – 40 |
| Mounting bolt X offset | 18 mm | 6 – 30 |
Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.
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