Why are the sides of plastic storage containers sloped?

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Most large plastic storage containers like those produced by sterilite have sloped sides so that the top is wider than the base. This of course means that when placed side by side there is a large gap between them of wasted space. Is there a reason for this? Easier to manufacture? Structural integrity?

Edit: Thank you very much to all of you for your responses!

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14 Answers

Anonymous 0 Comments

If you prefer vertical sides, look for milk crates, or their facsimiles. You’ll notice you can’t nest them, but they’re usually designed to interlock when stacked.

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