2D

[mphungDCHNW]

How do you make 2D elements visible only in 2d but not in 3D is the visual option the only way?

[barthbradley]

2D Elements are not visible in 3D, so what do you mean? 

[ToanDN]

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@mphungDCHNW wrote:

How do you make 2D elements visible only in 2d but not in 3D is the visual option the only way?

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Do you mean lines in a family?  Use symbolic lines instead of model lines then they will not show in 3D.

[mphungDCHNW]

just wondering is a symbolic line ? what are its pros & cons ?

[barthbradley]

A symbolic line is just another name for a 2D line.  Goes by the name of Detail line as well. 

Pros and Cons??? 2D vs 3D. It has 1 less "D", so it weighs less.  😉

[ToanDN]

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@mphungDCHNW wrote:

just wondering is a symbolic line ? what are its pros & cons ?

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Symbolic lines are 2D lines, only appear in the view parallel to the plane of the lines. 

Pros and cons for what?