Enclosures and housings
Hydrogen jar lid set (marked)
- Bounding box
- 182.8 × 85.4 × 34 mm
- Engine
- 3D Printing B-rep
- Parameters
- 13
- Published
- November 14, 2026
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The prompt
Print lids for 900 g Kraft Cheez Whiz glass jars (80 mm neck, 71 mm mouth) with TPU gasket, grommet and washers, for a two-jar hydrogen electrolysis cell; one lid marked negative (hydrogen), one marked positive (oxygen).
Parameters
| Name | Value | Range |
|---|---|---|
| Jar neck outside diameter, over the threads | 80 mm | 50 – 120 |
| Jar mouth inside diameter | 71 mm | 35 – 110 |
| Skirt depth over the neck | 14 mm | 6 – 30 |
| Skirt wall thickness | 2.4 mm | 1.2 – 5 |
| Lid top thickness | 4 mm | 2 – 8 |
| TPU gasket thickness | 2 mm | 1 – 4 |
| Radius of the hole circle | 20 mm | 10 – 40 |
| Electrode bolt diameter | 6 mm | 3 – 10 |
| Bridge tube outside diameter | 13 mm | 6 – 20 |
| Outlet hose inside diameter | 6.4 mm | 3 – 10 |
| Outlet barb height | 16 mm | 8 – 30 |
| Size of the + / - symbol | 10 mm | 5 – 16 |
| Symbol height above the lid | 0.8 mm | 0.4 – 2 |
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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