Merging non-touching objects

 From:  submono
9215.1 
Hi, I started modelling this little tank thingy today and made the treads with a curve array which generated a lot of objects in the obj. My question: is it possible to merge objects like the black rubber parts of the treads into one object in MoI even though they are not touching? Or do I need to do this in a program like Blender?

Thanks,
Sven
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