Viz Plug-ins User Guide

Version 5.0 | Published December 20, 2022 ©


The Cycloid plug-in creates a Cycloid geometry. The path traced by a point on a wheel as the wheel rolls, without slipping, along a flat surface.

Note: This plug-in is located in: Plugins -> Geom plug-ins -> Default

Cycloid Properties

  • Shape

    • EpiCycloid: A plane curve produced by tracing the path of a chosen point of a circle which rolls without slipping around a fixed circle

    • Hypo Cycloid: A special plane curve generated by the trace of a fixed point on a small circle that rolls within a larger circle.

  • Corners: Sets the number of corners the Cycloid is to be made up of.

  • Hole: Creates a hole in the Cycloid.

  • Radius: Sets the radius of the hole.

  • Factor Outer: Sets the outer factor of the Cycloid.

  • Factor Inner: Sets the inner factor of the Cycloid (when Hole is set to On).

To Create a Cycloid


  1. Create a new container.

  2. Add the Cycloid plug-in to it (1 (default Hypo Cycloid)).

  3. Open the Cycloid editor.

  4. Modify the Cycloid parameters, for example (2).

    • Corners: 8.

    • Hole: On.

    • Radius: 20.

    • Factor Outer: 10.

    • Factor Inner: 10.

    • Slice: 5.

  5. If required, add a material and/or a texture.