# Why do independent parts in modeling software become one entity in D5 after syncing/importing?

Currently the model is imported into D5 as a whole and relies on the materials to differentiate. 

<mark style="background-color:purple;">It is recommended to</mark> <mark style="background-color:purple;"></mark><mark style="background-color:purple;">**differentiate the materials in the modelling software before importing the model into D5**</mark><mark style="background-color:purple;">.</mark>

<figure><img src="/files/31dSDXQ33AtQdbgh6ZHt" alt=""><figcaption><p>No material differentiation</p></figcaption></figure>

<figure><img src="/files/jGwDaS0AxPC1WQukMgXJ" alt=""><figcaption><p>Simple material differentiation in SketchUp</p></figcaption></figure>


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