Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:1262678.

I made this to house a time/temp/voltage module that I bought off eBay. It is meant to sit in the back corner of the R1, with excess cable tucked underneath.

This module should fit: https://www.amazon.com/Yeeco-Voltmeter--67-257%C2%B0F-Electronic-Waterproof/dp/B013Y4REIY/ref=as_li_ss_tl?ie=UTF8&qid=1452615271&sr=8-2&keywords=Green+LED+3+wire+Digital+Time+Temperature+Voltmeter+Panel&linkCode=sl1&tag=theharfam08-20&linkId=a27df3786e15f7d61a2d34d0b616fead

Here's out it looks during my timelapses: https://www.youtube.com/watch?v=Q9rj_2LBn5E&index=10&list=PLx1Ra3aaO0TTxrMdf3hoAEnkolzrt1LmN