Go to custom Layout
Create a wall, any size
Go to Cabinets, then Standard and add the Std Base Framed cabinet to the wall
Select the cabinet then click Adj. Features, Global Item Modification and the Door/Drawer Settings Tab
Check Change Drawer Fronts, then Change Default Drawer Front,
Click Select Drawer Front
Select the Conestoga, Standard, Slab Drawer Front
Click OK then Click OK in the Item Modification Dialog
After the modification is finished, select the cabinet and take it to the Cabinet Editor
Video
This happens with the Conestoga Slab Drawer Front, and any drawer fronts made from the Conestoga




