October 4, 2012
There are 2 methods to set the back at 3/4" from the back of the cabinet, either panel by panel or using a sub-method.
To do this for just this cabinet, select the top and in the "links" section open "back", set the Overlap parameter to 3/4 :
Repeat this for the sides and bottom.
You can also do this using the sub-method "boxfull".
All the best,
PS: To gain time learning how to use Polyboard, you might consider buying a training package. Like this we can look how to set up your Manufacturing Methods for general cabinets and framed cabinets. You'll find that 1 hour of training can save you days of trail and error and asking questions on the forum.
I would suggest that you start with a 4 hour pack that you can buy from this page :
July 13, 2017