I think it is the powerful 3D folding tools for packaging.
By using packmage, you can create new and unique 3D packaging designs in minutes.
With it, you are able to design a carton box easily and quickly in 5 steps:
① Draw your 2D structure.
② Automatic 3D recognition.
③ Adjust the folding process.
④ View the design with 3D, and change the design if necessary.
⑤ Post your arrk on the structure, then view the 3D color sample.
The Folding Definition: What You See Is What You Get.
For more details, Please search "Packmage CAD" in Google for more details