https://help.autodesk.com/cloudhelp/ENU/Fusion-360-API/files/SketchCircle_isFixed.htm
SketchCircle.isFixed Property
SketchCircle.isFixed Property
property
https://help.autodesk.com/cloudhelp/ENU/Fusion-360-API/files/SketchCircle.htm
SketchCircle Object
object