Brackets and mounts
Cylindrical LFP 32700 Battery Cell
- Bounding box
- 32.5 × 32.5 × 70.5 mm
- Engine
- Precision B-rep
- Parameters
- 11
- Published
- October 30, 2026
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The prompt
**Design a parametric 3D CAD model of a cylindrical LFP (Lithium Iron Phosphate) 32700 rechargeable battery cell for use in an electric vehicle battery pack with direct immersion cooling.** ### 1. Main Dimensions - Cell body diameter: 32.5 mm - Cell body height: 70.5 mm - Overall shape: Cylindrical, with a flat base and a slightly rounded upper shoulder. - Coordinate system: Vertical cylinder, with the central axis aligned to the Z-axis. - Units: Millimetres. ### 2. Cell Geometry Create the following features: 1. A cylindrical main casing with a diameter of 32.5 mm and a height of approximately 70.5 mm. 2. A slightly rounded upper shoulder transitioning from the cylindrical casing to the top cap. 3. A clearly defined positive terminal on the top surface, centred on the Z-axis. 4. A negative terminal or contact surface at the bottom, consistent with the selected cell manufacturer's design. 5. A subtle rim around the top cap. 6. Small realistic edge fillets on the casing and terminal features. 7. A flat bottom surface suitable for positioning the cell in a battery holder. ### 3. CAD Modelling Requirements - Use clean, watertight solid geometry. - Keep the main body and terminal features as editable parametric features. - Avoid unnecessary internal geometry. - Do not model internal electrodes, electrolyte, separators, or other internal cell components. - Keep the model suitable for repeated instancing in a 224-cell assembly. - Avoid decorative text, logos, or complex surface details. ### 4. Materials and Appearance - Main casing: neutral metallic grey. - Top cap: metallic silver. - Positive terminal: slightly raised metallic contact. - Optional thin insulating ring around the positive terminal, if consistent with the actual cell design. ### 5. Design Intent The model will be used as a simplified engineering representation of a 32700-format cylindrical LFP battery cell in a 16S14P battery pack. It must be suitable for: - Parametric CAD editing. - Circular and rectangular component patterns. - Battery holder and enclosure design. - Assembly interference checks. - Immersion-cooling system visualisation. - Export to STEP format for use in other CAD and simulation software. **Important:** Treat 32.5 mm diameter and 70.5 mm height as preliminary design dimensions. The final model must be adjusted to the manufacturer's datasheet before detailed assembly or manufacturing.
Parameters
| Name | Value | Range |
|---|---|---|
| Cell Body Diameter | 32.5 mm | 30 – 34 |
| Total Envelope Height | 70.5 mm | 60 – 75 |
| Top Cap Diameter | 31 mm | 28 – 32 |
| Top Cap Thickness | 0.8 mm | 0.5 – 1.5 |
| Positive Terminal Diameter | 7.8 mm | 6 – 10 |
| Positive Terminal Height | 1.5 mm | 1 – 2 |
| Insulator Ring Outer Diameter | 12 mm | 10 – 14 |
| Insulator Ring Inner Diameter | 8.6 mm | 7 – 12 |
| Insulator Ring Height | 0.6 mm | 0.3 – 0.8 |
| Shoulder Fillet Radius | 1.2 mm | 0.5 – 2 |
| Edge Fillet Radius | 0.2 mm | 0 – 0.5 |
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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