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Imported DWG dimensions do not match in Revit

4 ANTWORTEN 4
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Nachricht 1 von 5
good_man_27
373 Aufrufe, 4 Antworten

Imported DWG dimensions do not match in Revit

Hello,

 

Still new in Revit.

 

I imported this AutoCAD file. Wall's thickness is 250mm.

good_man_27_0-1649807419855.png

 

This is the import dialogue in Revit 2022

good_man_27_1-1649807534959.png

 The result shows 4mm deficit:

good_man_27_2-1649807592120.png

 

I know 4mm is not that huge, and I can totally ignore it for the walls, but in other areas in the plan I MUST have the dimensions precise, and I really don't wish to keep taking dimensions and just trace the DWG file.

 

Could someone please explain why the walls do not measure the same? Am I missing something?

 

 

4 ANTWORTEN 4
Nachricht 2 von 5
ToanDN
als Antwort auf: good_man_27

I wouldn't trust the dimensions shown in the DWG 100%. Open the DWG and measure the wall thickness see if it is 250 or 254 mm.

Nachricht 3 von 5
good_man_27
als Antwort auf: ToanDN

Thanks a lot. I drew a line between the wall's faces in AutoCAD. The Geometry data shows 254mm as measured in Revit, while the Linear dimension is 250mm!

good_man_27_1-1649809048453.png

 

Any idea why? My AutoCAD knowledge is primitive.

 

Nachricht 4 von 5
ToanDN
als Antwort auf: good_man_27

The true distance is 254 mm.  The dimension shows 250 because the dimension style has the value rounded up or down to 10 mm. 

 

So there is nothing for you to be worried about, carry on with tracing the DWG in Revit.

Nachricht 5 von 5
good_man_27
als Antwort auf: ToanDN

Mate, you're a legend!

 

This is the Dimension Style settings in AutoCAD. The Round Off was indeed set to 10.

good_man_27_1-1649810456533.png

 

Changing it to 1, updated the dimensions automatically - without the need to retake them:

good_man_27_2-1649810555469.png

 

Now I'll check on this each time I start on a model.

 

Thanks a million.

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