This doesn't answer your question, but by chance I discovered a roll of duct tape on the floor makes a great holder for a normally sized cup for the driver. I was never happy with the door or dash mounted holders.

Sent from my iPhone

On May 20, 2015, at 1:52 PM, Jim Felder <jim.felder@GMAIL.COM> wrote:

> I'd like to add a cup holder in the rear driver's side of my westy. Here,
> it is hard to get one positioned to not interfere with the table or the
> z-bed, especially with the vertical lift feature I added to the rear table.
> 
> I was a cup holder in some car I was in recently that did not fold out like
> the westy cup holders, but came out horizontally. This could be mounted
> underneath the corner of the table.
> 
> Can anyone recommend this type of cup holder?
> 
> Thanks,
> 
> Jim