Adamson Blueprint AV - Manual (Page 27)

Adamson Systems Engineering | Blueprint Training Module Page 27
12. Type; change Chord to Angle; change angle value to 90°
13. Create a new surface; select the Extrude surface type; change dimension to 20; click the
Link R button; select the un-linked edge of the Revolve; change direction to <-->
Section F:
3D Mode Complex Surface Design