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Interactive 3D model of Seamless Rotational Container Liner (3.5in Jar, 0.6mm Wall)

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Seamless Rotational Container Liner (3.5in Jar, 0.6mm Wall)

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Bounding box
89.7 × 89.6 × 53.3 mm
Engine
Precision B-rep
Parameters
8
Published
September 14, 2026

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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

NameValueRange
Body Outside Diameter74.5 mm40 – 120
Body Wall Thickness0.6 mm0.3 – 3
Total Height90 mm50 – 160
Top Collar Outside Diameter89.5 mm50 – 150
Top Collar Height10 mm3 – 30
Top Collar Wall Thickness2 mm0.8 – 6
Internal Taper Length10 mm3 – 40
Top Rim Round Radius0.3 mm0 – 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.

Seamless Rotational Container Liner (3.5in Jar, 0.6mm Wall) - Free CAD Model (STEP, STL) | TextoCAD