This is a digital download:
 
Grasshopper script is available at the script store.
 
3DM - Rhino
3DS
DWG
OBJ
STL
 
Ask me about other formats.  If you have questions or issues, send me a message. 
 
Files in the folder:
24004_PARAMETRIC SHELVES_ALL.3ds
24004_PARAMETRIC SHELVES_ALL.dwg
24004_PARAMETRIC SHELVES_ALL.mtl
24004_PARAMETRIC SHELVES_ALL.obj
24004_PARAMETRIC SHELVES_ALL.stl
24004_PARAMETRIC SHELVES-R7_ALL.3dm
24004_PARAMETRIC SHELVES-R8_ALL.3dm