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Dimensioning round holes

Dimensioning round holes


I am trying to measure a hole created by a family of voids in a floor assembly (concrete slab).

After using the Precast Add-In, I manage to create a concrete slab plan but since the reservation family is not available in this view, I cannot use it to measure its position relative to the edge of the slab.

It would be nice to be able to measure a round hole in Revit.

Yours sincerely,




J'essai de coter un trou créé par une famille de vide dans un assemblage de sol (dalle béton).

Après utilisation de l'Add-In Precast, je réussi à créer un plan de dalle béton mais comme la famille de réservation n'est pas disponible dans cette vue, je ne peux pas l'utiliser pour coter sa position par rapport au bord de la dalle.


Ce serait bien de pouvoir coter un trou rond dans Revit.




Moderator note: English auto translation added.


Doesn't Revit 2021 Version had a function like that?


It seem's, I just saw that. I'am working on Revit 2019.

Thanks for your comment.


I also have not figured out how to dimension to the center of holes with Revit. Drafting circles and Bolts, yes. Circular holes in floors, steel, or other entities? Nope. 

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