Everything else
Seamless Rotational Container Liner (3.5in Jar, 0.6mm Wall)
- Bounding box
- 89.7 × 89.6 × 53.3 mm
- Engine
- Precision B-rep
- Parameters
- 8
- Published
- September 14, 2026
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Free to download and use. See the terms.
The prompt
Generate a single, seamless, rotationally symmetrical container liner designed for injection molding. Total height is 90mm. The main body is a cylinder with a constant outside diameter of 74.5mm and an ultra-thin wall thickness of 0.6mm. The bottom of the cylinder transitions into a smooth, fully filleted dome cap with a radius matching the cylinder. At the top opening, create a reinforced, rigid collar with a height of 10mm and a wall thickness of 2.0mm. The outside diameter of the top collar is 89.5mm to act as a wide overhang lip that rests over a 3.5-inch jar opening. Transition the 2.0mm thick top collar down into the 0.6mm thin body using a gradual, continuous internal chamfer taper to prevent stress concentrations. Export the final model as a clean, watertight parametric STEP file
Parameters
| Name | Value | Range |
|---|---|---|
| Body Outside Diameter | 74.5 mm | 40 – 120 |
| Body Wall Thickness | 0.6 mm | 0.3 – 3 |
| Total Height | 90 mm | 50 – 160 |
| Top Collar Outside Diameter | 89.5 mm | 50 – 150 |
| Top Collar Height | 10 mm | 3 – 30 |
| Top Collar Wall Thickness | 2 mm | 0.8 – 6 |
| Internal Taper Length | 10 mm | 3 – 40 |
| Top Rim Round Radius | 0.3 mm | 0 – 0.8 |
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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