def demo_Arcs_addFillet(sketch: adsk.fusion.Sketch): # Create two connected lines lines = sketch.sketchCurves.sketchLines startPoint = adsk.core.Point3D.create(0, 0, 0) endPoint = adsk.core.Point3D.create(3, 1, 0) line1 = lines.addByTwoPoints(startPoint, endPoint) line2 = lines.addByTwoPoints(line1.endSketchPoint, adsk.core.Point3D.create(1, 4, 0)) # Create arc by adding fillet between the two lines arcs = sketch.sketchCurves.sketchArcs arc = arcs.addFillet(line1, line1.endSketchPoint.geometry, line2, line2.startSketchPoint.geometry, 1)