===============================
【Concept】
 
     Shape with carry case is similar, but much smaller, is people carrying boxes with a multilayer.
===============================
【Structure Terminology】
 
1 handle
2 Structural frame
3 layered grid
===============================
【Terminology shape】
 
1 square column
2 cylindrical
3 flat shape
===============================

 

【Article is excerpted from: Web Search】
【Reserved Integrate / Just Reference】
【Translation is by The Network】