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Forums >> Revit Systems >> Technical Support >> Can a 63mb Revit File Size cause problems during rendering?

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Fri, Oct 30, 2015 at 10:17:37 AM | Can a 63mb Revit File Size cause problems during rendering?




Joined: Wed, Apr 2, 2014
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I have a fairly large site with 2 large and 3 smaller buildings for a total of 5.  I have alot of cars and trees and entourage pieces as i am trying to make this look as realistic as possible.  I have completed about 15 of my 23 renderings but the last couple of renderings just seem to crash my machine.  It takes forever for it(the computer) to figure out what its doing(lots of loading) and then the rendering % dialouge just drops off and leaves the rendering setting box still up with a black screen with no explanation of why it stopped the rendering.   

I thought it was my laptop so i waited to try a much beafier machine (a desktop with much better stats).  But alas the problem has not been fixed.  It almost seems as if the better machine is having the same problems as my laptop which is really confusing to me.  

SO long story short, can a Revit Files size (63mb) affect if a rendering will even happen?  I have also noticed that rendering interior lights on this big site is causing all the same problems.  Is it possible for Revit to render anything, but that it will just take a long time to complete or does Revit have a files size govener built into it?

I appreciate your thoughts greatly!


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Sun, Nov 1, 2015 at 3:18:23 AM | Can a 63mb Revit File Size cause problems during rendering?



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Joined: Mon, Nov 19, 2007
93 Posts
3.5 Stars: 6 Votes

Some helping tips:

- Follow tips in this

- Try using AutoDesk's cloud rendering service (you get a few free renders to start with and students can render for free)/

- Use RPC style entourage families instead of 3d families.

- Download Enscape3D's live walk-through/flythrough rendering tool and use screen capturing to grab the rendered views you want.


__________I'm the guy they come to when they didn't follow my recommended workflows.__________

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Mon, Nov 2, 2015 at 6:29:45 AM | Can a 63mb Revit File Size cause problems during rendering?



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Joined: Tue, May 16, 2006
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The size of the file is nothing..the problem is all of the 3D entourage families you placed.   One 1 M family is just 1 M in the file but when you place that 30 times, Revit has to deal with 30 of these, hiding elements, reflections, shadows etc.  3D plantings can really kill a Revit model.

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