Why do most toilets have bottoms shaped like their pipes instead of using straight sides?

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It makes it so hard to clean. Does that shape have a function? And why aren’t they made to go all the way back to the wall? Cleaning behind it is so irritating.

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Anonymous 0 Comments

It’s for manufacturing reasons. Having the outside be roughly the same shape as the inside means that it only needs to be made from a fairly thin bit of material, whereas to have a different shape it would need to fill in the gaps with more material making it heavier, or much more difficult to make.

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