Enclosures and housings
6-Cell Salt-Water Battery Rack Assembly
- Bounding box
- 168.0 × 118.0 × 130.0 mm
- Engine
- Precision B-rep
- Parameters
- 27
- Published
- October 19, 2026
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The prompt
Create a parametric multi-body 3D CAD model optimized for FreeCAD import, saved as a standard STEP file format. The design is a 6-cell salt-water battery assembly with an overall outer size of 173mm x 123mm x 192mm. Every part must be modeled as a distinct, separate solid entity (Compound Parts) so they can be moved independently. • Part 1 (Solid Body): Main Rack Structure. Inner dimensions 160mm x 110mm x 120mm, 4mm wall thickness. Solid left/right panels. Front/back faces have a central visibility cutout with 20mm mini-walls at top and bottom. Base floor has a 2x3 grid of 6 circular pockets (34mm diameter, 8mm deep). A middle plate with 6 through-holes sits at 60mm height. • Part 2 to 7 (6 Separate Solid Bodies): Battery Cells. 6 independent cylinders, outer diameter 33.4mm, height 180mm, arranged in a 2x3 grid nesting into the bottom pockets. • Part 8 (Solid Body): Lower Fixed Extension. A 35mm tall rectangular sleeve fitting over the top of the main rack. • Part 9 (Solid Body): Mini Upper Lid. A separate, removable mini shoebox-style lid with a 4mm wall thickness, 35mm downward rim, and 0.5mm clearance gap. Includes two 5mm U-shaped wire exit notches on the bottom edge
Parameters
| Name | Value | Range |
|---|---|---|
| Inner Width | 160 mm | 100 – 300 |
| Inner Depth | 110 mm | 80 – 250 |
| Cavity Height | 120 mm | 80 – 300 |
| Wall Thickness | 4 mm | 2 – 12 |
| Floor Thickness | 10 mm | 8 – 30 |
| Window Bottom Mini-Wall | 20 mm | 5 – 60 |
| Window Top Mini-Wall | 20 mm | 5 – 60 |
| Middle Plate Height | 60 mm | 20 – 200 |
| Middle Plate Thickness | 4 mm | 1 – 12 |
| Middle Plate Hole Dia | 34.4 mm | 20 – 50 |
| Floor Pocket Dia | 34 mm | 20 – 50 |
| Floor Pocket Depth | 8 mm | 1 – 20 |
| Cell Diameter | 33.4 mm | 20 – 50 |
| Cell Height | 180 mm | 100 – 300 |
| Cell Spacing X (half pitch) | 53.33 mm | 20 – 90 |
| Cell Spacing Y (half pitch) | 27.5 mm | 18 – 60 |
| Extension Height | 35 mm | 10 – 120 |
| Extension Wall | 2.7 mm | 1.5 – 10 |
| Extension Overlap on Rack | 8 mm | 0 – 40 |
| Extension Press-Fit Interference | 0.2 mm | 0 – 1 |
| Lid Wall Thickness | 4 mm | 2 – 12 |
| Lid Rim Height | 35 mm | 10 – 100 |
| Lid Top Plate Thickness | 4 mm | 2 – 12 |
| Lid Clearance Gap (per side) | 0.2 mm | 0 – 1 |
| Wire Notch Width | 5 mm | 2 – 15 |
| Wire Notch Depth | 6 mm | 2 – 20 |
| Overall Assembly Height | 192 mm | 150 – 320 |
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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