Inscribed circle and chord #2
Point P is on the fixed segment AB, which is a chord of circle O1.
Circle O2 is inscribed to O1 at Q, tangent to AB at P, and point O1 is on circle O2.
O1, O2, and point Q are fixed in accordance with the position P.
But, point P is out of the green range below, no O1, no O2, no Q.