when i add a tab to sheetmetal, it shows me the sketch plane must coincide with the base body,s top or bottom error. please help me
A tab adds material on an existing planar face of the existing sheetmetal part.
Do you have an image(screen capture) you can share? What is it you are trying to achieve?
I played around with this when I hit it. Near as I can tell, you cannot add a tab to the side of a flange. I just edited the flange sketch to make it wide as I wanted then cut out what I didn't want.
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