To Change the Height of 3D Freeform Spaces

Note: This procedure is valid only for non-associative spaces.

Select a 3D freeform space for which you want to change the overall height.
Click Space tabModify panelEdit In Place.
Select the surface grip for the top surface, and drag it to the desired height.
Changing the height of a 3D freeform space
To save the changes to the space height, click Edit in Place tabEdits panelFinish.