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Thread: 3d dwg and snap

  1. #1
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    Question 3d dwg and snap

    How I can create a ref plane an object 3d imported in dwg?
    the snap does not function on the object 3d dwg.

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    Moderator JamesVan's Avatar
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    Default Re: 3d dwg and snap

    First, if you want Revit to cut and view the 3D DWG accurately, start an in-place family, then link in the DWG file, then finish the family. Second, what kind of object are you trying to snap to the DWG geometry? A line, a solid, etc? If you're trying to put linework down, you can't do it as freely as you would in Autocad. Lines must exist on a Work Plane. Please tell me more specifics as to what you are trying to do.

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    Default Re: 3d dwg and snap

    my problem is very simple I must build exactly the same cube with revit.

    See the attached files

    Thank you.

    Didier
    Attached Files Attached Files

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    Default Re: 3d dwg and snap

    Ton problème est-il de créer un cube similaire à celui ci ou de t'accrocher absolument dessus.

    Si tu souhaites modéliser " en biais dans l'espace, cela est possible.
    Dans ta vue en plan, tu traces un plan de référence qui indique ta première direction de rotation.
    Sur ce plan de référence, tu places une vue d'élévation en cochant l'option "attacher au quadrillage"
    Dans cette élévation tu traces un autre plan de référence que tu nommes.
    Tu crées ensuite un plan de construction en utilisant ce plan de référence nommé.
    Tu es alors dans une position similaire à celle de ton cube, et tu peux modéliser dessus si tu le souhaites.


    Is Your problem to create a cube similar to that or to sanp absolutely on it.

    If you wish to model "in skew in space, that is possible.
    In your plan view, you traces a reference plane which indicates your first angle of rotation.
    On this ref plane, you places an elevation view by notching the option "snap to grip"
    In this view you draw another ref plane which you name.
    You create then a construction plane by using this named ref plane.
    You are in a similar position than your cube,
    and you can model on this plan if you want.

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    Default Re: 3d dwg and snap

    Avec cette méthode, mes plans ne sont qu'à peu près aligné, mais pas exactement et donc pas de snap sur mon cube !

    Les plans de référence ont l’air parallèle au cube, mais ils ne s’alignent pas exactement.
    Est ce normal ?

    voir fichier joint, "plan de base 2"

    With this method, my plans are only about aligned, but not exactly and
    i dont have snap on my cube!

    It is normal?.
    Attached Files Attached Files

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    Administrateur gravelin's Avatar
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    Default Re: 3d dwg and snap

    Je ne connais pas de façon de s'accrocher aux arêtes du cube en 3D.
    Ce que tu peux faire, c'est placer des objets 2D sur tes sommets dans AutoCAD. Par exemple des cercles.
    Ensuite dans Revit quand tu places ton plan de référence, tu forces l'accrochage par SC.
    De cette façon tes orientations seront plus précises.

    I do not know a way to snap to the edges of the cube in 3d.
    What you can do, is to place some 2D objects on edges intersections in AutoCAD. (circles) .
    Then in Revit when you draw your ref planes, you snap with SC shortcut.
    In this way your orientations will be more precise.

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    Default Re: 3d dwg and snap

    ok, but not very fast on a complex form !

    I do not understand why a 3d software as revit, does not know the snap 2d, 2.5d and 3d?

    I hope that the revit manager hear me!

    Yves,

    Merci de tes efforts, mais là, je suis déçu par Revit.

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