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

StepsCopy link

  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.

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