If I understand correctly,
Try the following steps:
1. Select Wall Tool
2. Move mouse to the end of the horizontal Wall until a "checkmark" appears
3. Click
4. Type "Y" to restrict vertical
5.Type the distance you want and at the end type "+" to go up or "-" to go down
6. Hit enter
Eduardo Rolón AIA NCARB
AC27 US/INT -> AC08Macbook Pro M1 Max 64GB ram, OS X 10.XX latest
another Moderator