Brackets and mounts
Compact Single-Seat Electric Car Chassis Assembly
- Bounding box
- 1190.0 × 920.1 × 400.0 mm
- Engine
- Precision B-rep
- Parameters
- 35
- Published
- November 1, 2026
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The prompt
Create a complete parametric 3D CAD assembly of a compact single-seat electric car chassis. Overall target dimensions: 1000 mm long and 800 mm wide. Use a rectangular welded square-steel-tube frame with cross-members, a driver's seat mounting structure, battery mounting space, and mounting brackets for two rear hoverboard hub motors. Include two conventional front wheels with space for a mechanical steering linkage. Create the chassis, wheel placeholders, motor placeholders, seat support, and battery enclosure as separate named components. Keep all dimensions in millimeters and make the assembly easy to modify. Generate the chassis and wheel layout first. Show the dimensions and export the model as STEP. Do not invent the actual motor dimensions; use clearly identified placeholders until I provide measurements.
Parameters
| Name | Value | Range |
|---|---|---|
| Frame Length | 1000 mm | 600 – 1500 |
| Frame Width | 800 mm | 500 – 1200 |
| Tube Size | 30 mm | 20 – 50 |
| Tube Wall Thickness | 2 mm | 1 – 4 |
| Cross Member Offset from Center | 250 mm | 100 – 400 |
| Rear Motor Bracket Length | 40 mm | 20 – 80 |
| Rear Motor Bracket Width | 80 mm | 50 – 120 |
| Rear Motor Bracket Vertical Drop | 60 mm | 20 – 100 |
| Front Wheel Diameter | 200 mm | 100 – 300 |
| Front Wheel Width | 50 mm | 30 – 80 |
| Front Axle Offset Forward | 20 mm | 0 – 60 |
| Front Wheel Inset into Frame | 15 mm | 5 – 30 |
| Front Wheel Bore | 12 mm | 6 – 30 |
| Rear Hub Motor Diameter | 100 mm | 60 – 150 |
| Rear Hub Motor Width | 50 mm | 30 – 80 |
| Rear Axle Offset Rearward | 20 mm | 0 – 60 |
| Rear Motor Inset into Frame | 15 mm | 5 – 30 |
| Rear Motor Bore | 12 mm | 6 – 30 |
| Battery Enclosure Length | 450 mm | 300 – 600 |
| Battery Enclosure Width | 500 mm | 350 – 700 |
| Battery Enclosure Height | 150 mm | 80 – 220 |
| Battery Wall Thickness | 3 mm | 1.5 – 6 |
| Battery Rear Offset | 50 mm | 0 – 200 |
| Seat Support Length | 350 mm | 250 – 500 |
| Seat Support Width | 350 mm | 250 – 500 |
| Seat Support Height | 250 mm | 150 – 350 |
| Seat Base Plate Thickness | 5 mm | 3 – 10 |
| Seat Top Plate Thickness | 5 mm | 3 – 10 |
| Seat Support Tube Size | 30 mm | 20 – 50 |
| Seat Support Rear Offset | 100 mm | 0 – 250 |
| Steering Linkage Length | 600 mm | 400 – 800 |
| Steering Linkage Width | 100 mm | 60 – 160 |
| Steering Linkage Height | 80 mm | 50 – 120 |
| Steering Linkage Front Offset | 15 mm | 5 – 50 |
| Steering Linkage Z Center | -35 mm | -80 – 0 |
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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