The start angle defines the angular position of the left end of the first thread. With an angle of 0°, the start is on the y-axis. The angle defines the position of the middle of the gap before the first ball.
The start angle defines the angular position of the left end of the first thread. With an angle of 0°, the start is on the y-axis. The angle defines the position of the middle of the gap before the first ball.