It is a difficult journey to reissue some process drawings of this design, from modeling to information labels to outer packing boxes, and repeatedly modify and adjust them!
Design: panda \Naoko \Qian Qian \Xiao Duan

Barrel, Barrel, 4L Standard \Various L \Fuel Treasure Various, Preview

Partial divergence direction

Gold sailboat

The last shortlisted was a fashionable and stable bottle.

Add a detail

A subsequent outer box

A single outer box

A wave of physical objects