Good BIM practices require us to include as much information as we know, as early as possible. Often this results in educated guesses, placeholders, and an avalanche of specificity that frightens anyone without the understanding of why we work this way. It is not creativity limiting to show gyp board or insulation when first creating a Wall; nor is it stifling to place a Window as an awning or casement or some other specific type when sketching a plan in ARCHICAD. But that doesn’t stop people from panicking when they see these decisions in a drawing “too early”. They see these choices and think that aspects of the design are set in stone, or that the designer is wasting time. They don’t realize that showing insulation takes no more time than not showing it, that a hatch…

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