Brackets and mounts
Slash 2WD LCG Chassis
- Bounding box
- 425.0 × 165.0 × 18.0 mm
- Engine
- Precision B-rep
- Parameters
- 29
- Published
- September 26, 2026
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Free to download and use. See the terms.
The prompt
Design a lightweight, high-strength aftermarket chassis for the Traxxas Slash 2WD RC truck. The chassis must maintain compatibility with all stock Slash 2WD components including the transmission, front bulkhead, steering assembly, battery hold-down system, ESC, receiver box, servo, and body mounts. Requirements: - Overall wheelbase and suspension geometry identical to stock Traxxas Slash 2WD. - Constructed as a one-piece chassis suitable for 3D printing or CNC machining. - Increased torsional rigidity compared to the factory composite chassis. - Low center of gravity (LCG) design with battery tray positioned as low as possible. - Integrated mounting holes for stock electronics and hardware. - Reinforced front bulkhead and rear transmission mounting areas. - Side rails extended upward slightly for improved chassis stiffness and impact resistance. - Battery compartment sized for standard 2S and 3S hardcase LiPo packs. - Add strategically placed weight-reduction pockets without sacrificing structural integrity. - Include countersunk screw locations where appropriate. - Ground clearance optimized for short-course racing while retaining off-road capability. - Add chamfered edges and smooth fillets to reduce stress concentrations. - Design for FDM 3D printing with minimal support requirements and wall thickness greater than 3 mm in structural areas. - Include dimensions, mounting hole locations, and tolerances compatible with Traxxas stock hardware. Output: - Fully parametric CAD model. - Separate components and sketches organized logically. - Engineering-ready solid body with all mounting features defined. - STL and STEP export compatibility. - Clean manufacturable geometry with no non-manifold edges or overlapping surfaces.
Parameters
| Name | Value | Range |
|---|---|---|
| Overall Length | 425 mm | 350 – 500 |
| Overall Width | 165 mm | 120 – 200 |
| Floor Thickness | 4 mm | 2 – 10 |
| Side Rail Thickness | 6 mm | 3 – 10 |
| Side Rail Height Above Floor | 14 mm | 5 – 30 |
| Front Bulkhead Pad Height Above Floor | 8 mm | 3 – 20 |
| Rear Transmission Pad Height Above Floor | 10 mm | 3 – 20 |
| Front Bulkhead Pad Length | 60 mm | 20 – 120 |
| Rear Transmission Pad Length | 50 mm | 20 – 120 |
| Battery Tray Length | 140 mm | 100 – 200 |
| Battery Tray Width | 48 mm | 30 – 60 |
| Battery Tray Pocket Depth | 1 mm | 0 – 5 |
| Weight-Reduction Pocket Depth | 2 mm | 0 – 5 |
| Weight-Reduction Pocket Length | 50 mm | 10 – 100 |
| Weight-Reduction Pocket Width | 15 mm | 5 – 40 |
| Pocket X Offset From Center | 60 mm | 10 – 150 |
| Pocket Y Offset From Battery Edge | 5 mm | 0 – 30 |
| Front Hole Offset From Front Edge | 25 mm | 10 – 50 |
| Front Hole Spacing From Centerline | 22 mm | 5 – 40 |
| Rear Hole Offset From Rear Edge | 25 mm | 10 – 50 |
| Rear Hole Spacing From Centerline | 22 mm | 5 – 40 |
| Electronics Hole X Offset | 45 mm | 10 – 80 |
| Electronics Hole Y Offset From Battery Edge | 5 mm | 0 – 20 |
| Battery Hold-Down Hole Margin | 8 mm | 3 – 20 |
| Body Mount X Offset | 85 mm | 20 – 150 |
| Body Mount Hole Diameter | 3 mm | 2 – 8 |
| General Mounting Hole Diameter | 3 mm | 2 – 8 |
| Countersink Depth | 1 mm | 0 – 3 |
| Edge Fillet Radius | 1 mm | 0 – 3 |
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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