
Arrised and arised are not English words. Do you mean raised edges? You might want to search Google for images of "raised edges".
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As a carpenter i like to ask other carpenters whether they put an arris on an edge or take it off. sadly most of the young guys say to put it on. An arris is a sharp edge formed by two intersecting planes on wood or glass or masonry. quite simply when you arris a piece of timber, you take that edge off by either bevelling it or sanding it.
As for the spelling, An Arris , to Arris, it
Arised edges is the correct english engineering term for taking the sharp edge off e.g. of metal, glass or stone. With steel it is often done to prevent cuts from the finished object, often specified on a drawing as "finish: arised edges". There are a number of other terms to describe the actual shape of the edge; flat ground, mitre, etc. The means of taking the edge off is immaterial, whether
Yes it is softening of the sharp edges.
Although I would spell it aris and the plural arissed other wise it is arised i.e. stood up. as in arisen. :-)