Conic tool iconConic


Sketch an ellipse, parabola, or hyperbola by defining start, end, and control points, and a rho value.

This functionality is currently available only on Onshape's browser platform.

In the Sketch toolbar:

Sketch toolbar with Conic tool icon highlighted


  1. Click Conic Feature Icon.
  2. Click to indicate a start point.
  3. Click to indicate an end point.
  4. Click to indicate a control point.
  5. Enter a rho value.

    For example, various rho values yield different shapes:

    • Greater than 0.5 yields a hyperbola shape
    • 0.5 yields a parabola shape
    • Less than 0.5 yields an elliptical shape

Example of Conic Feature Usage


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Last Updated: September 15, 2020