As well as a Poser (PZ3) and DAZ|Studio (DAZ) scene file for the main promo image, there are three Poser prop (PP2) files for a complete set.

There are also seperate Poser prop files for each individual element. Of course, if you use these you'll have to parent things yourself, and set the colour of each black piece individually.

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The 3Dcheapskate* occasionally posts sensible stuff. Usually by accident.
And it usually uses Poser 11, with units set to inches. Except when it's using Poser 6 or PP2014, or when its units are set to PNU.

*also available in ShareCG, DAZ, and HiveWire3D flavours (the DeviantArt and CGBytes flavour have been discontinued).