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Carrara F.A.Q (Last Updated: 2026 Jul 11 2:50 am)

 

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Subject: How do you split a 3ds or obj model?


dlk30341 ( ) posted Sun, 12 March 2006 at 5:28 PM ยท edited Tue, 14 July 2026 at 11:01 AM

As stated above. I have downloaded a model both in 3ds & obj format. Problem is it's all lumped together as 1(welded). How to I split it out into the many parts? If this can't be done in the model room in Carrara, I do have Hexagon, I've just not had the time to learn any of it yet :( Same goes with Silo. To add, I did attempt a conversion of sorts in the model room, but nothing happened. Thanks :)


AndyCLon ( ) posted Mon, 13 March 2006 at 2:13 AM

The technique I use for this is not very sophisticated. I copy the object and then delete half of one and the other half of the other. However if the object has been "grouped" then you can choose the option of "Create one object per group" when importing an OBJ. Objects that have been exported from poser frequently have this property.


dlk30341 ( ) posted Mon, 13 March 2006 at 8:13 AM

I've tried importing the OBJ doing as you say...the object is still grouped as 1 mass. Thanks :)


LCBoliou ( ) posted Mon, 13 March 2006 at 12:25 PM

It's likely that the source model is a single mesh object with no component parts. If this is the case, then Carrara (or any other program) can not split the mesh into components. About all you can do is convert to a vertex (if it isn't already) and edit.


ShawnDriscoll ( ) posted Tue, 14 March 2006 at 12:31 AM

file_333235.jpg

dlk30341 wrote, "I have downloaded a model both in 3ds & obj format. Problem is it's all lumped together as 1(welded). How to I split it out into the many parts?" Import the model in Hexagon and select the polygons of one of the parts and click on the Extract Tool to un-weld it from the lump. Then select the lump again and choose some more polygons to un-weld using the Extract Tool again on the lump. Eventually, you'll have all the parts seperate again. You may have to turn on transparent viewing so that you can select polygons that may be hidden inside the imported object.

www.youtube.com/user/ShawnDriscollCG


LCBoliou ( ) posted Tue, 14 March 2006 at 11:05 AM

Which is what I meant by "edit," as the program(s) cannot "automatically" split the object -- I should have been more precise in my comments ;)

BTW, Shonner, is Hexagon THAT much better as a modeler than C5Pro? I've been mulling over purchasing Hexagon lately (I know I could use the demo -- & probably will before purchasing, but you really seem to know the product, so...I ask).

Thanks!


ShawnDriscoll ( ) posted Tue, 14 March 2006 at 5:11 PM

To me, Hexagon is faster to model with than with Carrara 5 Pro and I have better control of my polys with the additional tools that come with Hexagon.

www.youtube.com/user/ShawnDriscollCG


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