Looking for O-Rings? Look no further.

This OpenSCAD script lets you generate fully parametric O-rings and seal rings with configurable size, cross-section, and profile. Choose from common AS568-style presets or enter custom metric dimensions. Supports round, square, chamfered, D-ring, and X-ring cross sections.
 

Click on Customize to open the generator.

🚀 Quick Start

1. Select a Ring Size

Choose one of the included AS568-style presets, or switch to custom mode and enter your own inside diameter and cross-section thickness.

2. Choose a Cross-Section Profile

Select the seal profile that best fits your application:

• Round: Classic O-ring profile for general sealing applications.
• Square: Flat-sided profile for square-section seals and spacers.
• Chamfered: Square profile with beveled corners.
• D-Ring: Flat-bottom profile with a rounded sealing surface.
• X-Ring: Four-lobed profile inspired by quad-ring style seals.

3. Render and Export

Generate the ring at the desired resolution and export it for slicing and printing. For functional seals, use flexible TPU with a fine layer height. Rigid materials such as PLA and PETG are best suited for prototypes, spacers, fit checks, and visual models.

⭐ Features

• AS568-Style Size Presets

  Quickly generate common inch-based O-ring sizes using standard inside diameter and cross-section dimensions.

• Custom Metric Dimensions

  Enter your own inside diameter and cross-section thickness for fully custom seal rings.

• Multiple Seal Profiles

  Create round, square, chamfered, D-ring, and X-ring cross sections from the same model.

📜 Maker Scripts