Circle Spline

This tool will draw a circle or ellipse spline. Select the Circle Spline tool on the left toolbar.

  1. Click and hold your left mouse button for the first point.

  2. Move your mouse to extend the circle.

  3. Release the mouse button to create the spline.

Hold CTRL to keep the center on the first position you have clicked. Hold SHIFT to lock Radius X and Y to create a perfect circle.

Circle Spline Properties


Sets & locks Radius and RadiusY at the same value.

Min / Max Angle

Defines the start and end angle of the circle.

Point Count

Amount of interpolation points.


Horizontal Radius.


Vertical Radius.

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