Circular Reducing Elbow
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Description
This is a fully parametric OpenSCAD script designed to generate a seamless, one-piece bent pipe with smooth, synchronized transitions in both inner and outer diameters. By utilizing an internal boolean overflow design (Epsilon tolerance), the script completely eliminates Z-fighting (coincident face artifacts) at the openings.
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| Parameter | Description | Notes / Recommendations |
|---|---|---|
| d_in_A | Inner diameter of Pipe A (Start) | Unit: millimeters (mm) |
| len_A | Straight length of Pipe A before the bend | Set to 0 if a straight section is not needed |
| d_in_B | Inner diameter of Pipe B (End) | Unit: millimeters (mm) |
| len_B | Straight length of Pipe B after the bend | Set to 0 if a straight section is not needed |
| wall_thickness | Thickness of the pipe wall | Remains absolutely uniform throughout the transition |
| bend_angle | Total angle of the bend | e.g., 90 for a right-angle elbow, 45 for a slight curve |
| bend_radius | Rotation radius of the bend's centerline | Larger = gentler curve; Smaller = sharper turn |
| smoothness | Number of segments along the bend | Controls longitudinal smoothness. Use 20 for quick preview, 60-100 for final export. |
| $fn | Resolution of the cross-section circle | Controls transverse smoothness. Recommended: 64 or higher for a smooth finish. |
License
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.
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