Here you may find a PDF of a step by step process for creating a family that can be used to nest into other Revit families for the purpose of showing clearance or open space required. The clearance family is also visibility controlable.
http://bimgineering.com/downloads/Create_Hatch.pdf
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I came across another blog that recounts the myriad codes surrounding accessibility. You may find it here .
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Take a look at what we are doing… Bits of ribbon or relatively small scraps of wrapping paper, with some creative reuse, they become c... -
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