Sketch an arc by defining the two end points and then the radius point.

This functionality is available on Onshape's browser, iOS, and Android platforms.

Shortcut: a

In the Sketch toolbar:

Sketch toolbar with 3 Point Arc tool icon highlighted

Sketch an arc by defining the two end points and then the radius point.

StepsCopy link

  1. Click Sketch 3 point arc tool icon to set start point.
  2. Click Sketch 3 point arc tool icon to set second point.
  3. Click Sketch 3 point arc tool icon to set radius (or click and drag to set start point, release to set second point and click to set radius).

To create an arc, first select the three point arc tool. Then click in the first location to set your start point. Click in the second location to determine your second point, the end point to the arc, and then click in another location to set the radius. You'll notice that the radius dimension box opens. If you'd like to set a precise dimension, enter it using your keyboard, and then press the enter key. You can also click and drag from one location to another to set the two points in your arc, and then click a third location to set the radius.

Sketch an arc by defining the two end points and then the radius point.

StepsCopy link

  1. Tap Sketch 3 point arc tool icon to set the first end point of the arc.
  2. To set the second end point of the arc, tap Sketch 3 point arc tool icon again or touch and drag then release.
  3. To set the radius of the arc, tap Sketch 3 point arc tool icon again or touch and drag then release.

Example of 3 Point Arc tool in use

Sketch an arc by defining the two end points and then the radius point.

StepsCopy link

  1. Tap Sketch 3 point arc tool icon to set the first end point of the arc.
  2. To set the second end point of the arc, tap Sketch 3 point arc tool icon again or touch and drag then release.
  3. To set the radius of the arc, tap Sketch 3 point arc tool icon again or touch and drag then release.

Example of 3 Point Arc tool in use