Circle

Draw Circle by Three Points

• Press & hold B or click on the Toolbar.
• Left-click to specify the first point on the circle.
• Left-click to specify the second point on the circle.
• Left-click to specify the third point on the circle.
• Release B, or press Esc or click to deactivate circle drawing.

Draw Circle by Center & Radius

• Press & hold B or click on the Toolbar.
• Left-click (and hold) to specify the circle center.
• Drag to define the radius.
• Release the left mouse button.
• Release B, or press Esc or click to deactivate circle drawing.

Once circle drawing is activated, you can choose the desired method in the Tool window:

Modify Circle

Change Radius

• Hover over the circle edge.
• Left-click and drag.

Translate

• Hover over the circle center.
• Left-click and drag to move the circle on its plane.

Reverse

• Select the circle.
• Click on the Toolbar to reverse the circle direction.

Change Attributes

• Select the circle to view its attributes in the Object Inspector.
• Modify center coordinates, and radius as needed.