Forums >> General Discussion >> Revit Project Management >> Revit exported to CAD

dhivi

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Joined: Sun, Oct 16, 2011
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Hello everyone,

    I'm facing a number of problems with exported CAD files. some of them that i really dont know how to manage are \

1. First of all the CAD file is heavier than the Revit itself. A section of an apartment with 60 floors of 2 basic floorplans repeated is 60mb. a plain symetric layout with a centralcore and 4 apartments in the corners of the lobby -exact mirror images. So sections elevations a symetric along the central vertical line.

2. The furniture families that I use are the same in all the levels. for example, a sofa seen in section in all the 60 floors are the same. But I see around 4 blocks of it in the block editor.

3. I have 3 bhk and 4 bhk units... and the section has 2 rows of apartments vcertically cut with 60 floors each. The bed seen in the section of bedroom in 3bhk in one side of the lobby are under one block. the 4 bhk has one block for its beds in one side and the other half of the section has 2 new blocks of the exact same bed. So this adds upto 4  blocks of the same bed. 

4. when i purge the cad file- the list of items i cannot purge has a huge list of blocks- i have added a picture of some of the blocks.

       I have 3bhk unit plan as a group and 4bhk as a group. and mirrored and copied them to get the building. I want to know wat changes in Export settings wud solve the blocks problem and what else are to be changed in the ettings to reduce the file size.

Oh- I use Revit and CAD 2014 education product

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oelgustav

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Joined: Sat, Mar 17, 2012
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i cleary dont understnd much as why often revit files are big as compaired to other cad apps even for a small house...i think may be it colud be the fact that each time you load an object it virtually stacked to the file forever unless you purge..since you have done that i think you should try to reduce the number of objects in your file,also try to see amount of fills your exporting to cad,fills are very sensitive when it comes to cad and they can make a file heavier..also check layers because they are generated automatically by revit when you export..

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