In the last couple of weeks I created one simple scene that can help a lot in lookdev process with Maya and Arnold.
Download current version for free HERE -> https://www.artstation.com/dusankovic/store/xyB3/lookdev-kit
You can read more about it here:
There is also a download link on the blog post and you can find this product in my Artstation store and download it for FREE.
It is created to speedup the lookdev process and simplify loading of multiple HDR maps.