I want to give rotation when modeling members, but I don't know how to put it.
As a modeling implementation method,it is possible with the Rotate function.
Objects created in each Library mode can be rotated with the [Edit] > [Rotate] function on the top menu.
For more information on Rotate, refer to the CIM manual link below.
CIM Product Maunal- Rotate
For reference, if you want to input a desired angle, press the Tab key during Rotate to enter the angle as shown in the figure below.