# Revit preview not displayed

**URL:** <https://forum.dynamobim.com/t/revit-preview-not-displayed/30325>\
**Category:** FAQ\
**Tags:** revit, dynamo\
**Created:** [January 6, 2019, 6:34am UTC](https://forum.dynamobim.com/t/revit-preview-not-displayed/30325 "2019-01-06T06:34:28Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Cherrychan9898](https://avatars.discourse-cdn.com/v4/letter/c/278dde/32.png) [@Cherrychan9898](https://forum.dynamobim.com/u/Cherrychan9898)\
**Post date:** [January 6, 2019, 6:34am UTC](https://forum.dynamobim.com/t/revit-preview-not-displayed/30325/1 "2019-01-06T06:34:28Z")

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![webwxgetmsgimg](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/3X/8/b/8b77de02b425f924e10f12f0548d202c4a68401c.jpeg)

Hello! I can only see some grids/shape of the model but not the real model in the revit view. How can I solve it? It is fine in the dynamo view. As shown in the pic. Please help. Thank you!

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**Author:** ![SeanP](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/seanp/32/42560_2.png) [@SeanP](https://forum.dynamobim.com/u/SeanP)\
**Post date:** [January 6, 2019, 6:46am UTC](https://forum.dynamobim.com/t/revit-preview-not-displayed/30325/2 "2019-01-06T06:46:07Z")

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It is because the geometry you are creating is only “Dynamo” geometry and you have not translated that back into “Revit” geometry or families. The blue lines you see in Revit are the previews of nodes that create lines and points.

> [@Revit Dynamo created elements are not usable](https://forum.dynamobim.com/t/revit-dynamo-created-elements-are-not-usable/29001/4):
>
> As @SeanP said, geometry created in Dynamo are not actually built in Revit until you specifically do so using nodes. Yes, there is a preview of the geometry in Revit as a blue/purplish line but that is just a preview. It can be disabled under View -\> Background 3D Preview -\> Available Previews -\> Revit Background Preview. To make it into a model or detail line within Revit, use the node [ModelCurve.ByCurve](http://dictionary.dynamobim.com/#/Revit/Elements/ModelCurve/Create/ByCurve) or [DetailCurve.ByCurve](http://dictionary.dynamobim.com/#/Revit/Elements/DetailCurve/Create/ByCurve) respectively.

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**Author:** ![Cherrychan9898](https://avatars.discourse-cdn.com/v4/letter/c/278dde/32.png) [@Cherrychan9898](https://forum.dynamobim.com/u/Cherrychan9898)\
**Post date:** [January 6, 2019, 7:01am UTC](https://forum.dynamobim.com/t/revit-preview-not-displayed/30325/3 "2019-01-06T07:01:59Z")

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![Capture](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/3X/7/0/70245fee9bc19b0953bc337d4c14278f52c1c74e.png)

Thank you so much! These are the nodes I am using. But at which stage should I link them with modelcurve.bycurve?

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**Author:** ![Cherrychan9898](https://avatars.discourse-cdn.com/v4/letter/c/278dde/32.png) [@Cherrychan9898](https://forum.dynamobim.com/u/Cherrychan9898)\
**Post date:** [January 6, 2019, 7:02am UTC](https://forum.dynamobim.com/t/revit-preview-not-displayed/30325/4 "2019-01-06T07:02:42Z")

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![Capture2](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/3X/4/d/4db4728ab40c798be02dcda0081882e4da377d81.png)

another half of it… can’t upload two images in one