Hello, in custom aluminum doors and windows, in 3D or roaming, the opening direction of all doors can select the entire aluminum door and window. On the right edit bar - Settings - Opening Method - Select the inside/outside opening method; The operation is as follows: 

To adjust the opening reverse of a single aluminum door and window, you can select the right edit bar - Settings - Opening Method - Select inside/outside opening. The position of the handle can be adjusted directly by clicking the icon.