Bay angles can be anywhere between 90 degrees and 180 degrees.
BW 1, BW 2 and BW 3 can take any of the following shapes.
Casement open able i.e. designs.
Casement fixed i.e designs.
Slider Two track two panel without mesh i.e design.
Note: Exact sizes will vary according to the wind pressure in your city and the floor where windows have to be installed.