3D preview of 2-Bolt Exhaust Flange
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Interactive 3D model of 2-Bolt Exhaust Flange

Plates and panels

2-Bolt Exhaust Flange

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Bounding box
95.0 × 50.0 × 10.0 mm
Engine
Precision B-rep
Parameters
12
Published
September 30, 2026

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The prompt

Create a symmetrical 2-bolt exhaust flange. The base body is a 10mm thick plate. The overall footprint should be formed by a central cylinder with a 50mm diameter, connected smoothly to two smaller cylinders on either side, each with a 25mm diameter. The centers of the two smaller side cylinders are located 35mm to the left and 35mm to the right of the main central cylinder. Next, cut three through-holes completely through the 10mm thickness: A central exhaust bore with a 35mm diameter in the exact center. A 10mm diameter bolt hole located 35mm to the left of the center. A 10mm diameter bolt hole located 35mm to the right of the center. Add a recessed O-ring groove on the top face of the main central cylinder. The groove must be concentric with the central exhaust bore. It should have an inner diameter of 40mm, an outer diameter of 44mm, and be cut exactly 2mm deep into the top surface.

Parameters

NameValueRange
Plate thickness10 mm5 – 20
Central cylinder diameter50 mm40 – 80
Side cylinder diameter25 mm10 – 40
Left side cylinder center X-35 mm-60 – -20
Right side cylinder center X35 mm20 – 60
Central exhaust bore diameter35 mm20 – 45
Bolt hole diameter10 mm4 – 18
Left bolt hole center X-35 mm-60 – -20
Right bolt hole center X35 mm20 – 60
O-ring groove inner diameter40 mm36 – 46
O-ring groove outer diameter44 mm42 – 50
O-ring groove depth2 mm0.5 – 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.

2-Bolt Exhaust Flange - Free CAD Model (STEP, STL) | TextoCAD