Feel there are too few holes? I don't know much about the structure (the teacher only requires that the structure be satisfied. The "OIO" label refers to a work. Although I don't know what it means, it looks good on it.
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Oh, oh, is it right to take out this capsule body for use, but it can stand up in this way. when using it, is it not this shape, or is it that this plastic shell can be rolled back to the handle in the form of a tape measure, but the handle has no storage space and does not look good outside. how can it be optimized better?
Is there no air inlet design at the bottom? Where is the air inlet
I really need this.
Cool
Small fresh style
Good innovative design!