Development of Bend/ elbow surface in engineering drawing, using AutoCAD, A Bend of 1000 mm ID

this vedio solves a problem to develop a bend having 1000 mm inner dia, and bend of 90 degree angle, in AutoCAD, This may be a good video to development of bend at site as well as exam of engineering drawing.

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How can I help you sir

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Dear sir please share transition method for octagon to round duct

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Sir how to calculate miter bend weight

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