Windows on Second Floor
Position another window
Press Shift + left mouse button, and rotate the model.
Click the window (A) on the 1st floor.
Click the right edge line (B) of the window.
Click the window (C) on the 2nd floor.
Click the right edge line (D) of the window.
Converted from CHM to HTML with
chm2web Pro 2.85 (unicode)