====== How the edge should look like ======

{{ :theoretisches:kanten_1.svg?nolink |Technical drawing: Deburring corners}}
like this

{{ :theoretisches:kanten_2.svg?nolink |Technical drawing: Rounded corners}}
or better like this

The rounded edges also minimize the development of nicks.
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not like this
{{ :theoretisches:kanten_3.svg?nolink |Technical drawing: sharp edges - so non}}


and also not like this
{{ :theoretisches:kanten_4.svg?nolink |Technical drawing: sharp edges like a mushroom - so non}}
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Mushrooming often results in sharp edges. It develops during fighting when the steel is softer.

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