@DavidHostler, in the Design tab of Easel Cabinetmaker be sure to specify the actual, rather than nominal, thickness of your sheets. You’ll find these settings on the right pane under Project > Materials:
In the Manufacture tab, the New Cut List form allows you to specify the dimensions of your stock. This is where you’ll tell Cabinetmaker to nest the panels on 4x4 stock:
We are working on improvements to cut list generation. Check out this post to learn more about our upcoming Live Optimization feature.