Radius of the inner circle: 2.5
Radius of the rolling circle: 2.5
Point distance to rolling centre: 2.5
Radius of the inner circle: 4.0
Radius of the rolling circle: 2.0
Point distance to the rolling centre: 2.0
Radius of the inner circle: 5.0
Radius of the rolling circle: 1.66
Point distance to the rolling centre: 1.66
Radius of the inner circle: 4.0
Radius of the rolling circle: 1.5
Point distance to the rolling centre: 1.5
Radius of the inner circle: 5.0
Radius of the rolling circle: 1.66
Point distance to the rolling centre: 1.2