Actually you spotted my one mistake! The front “eye” should be red/blue and the rear eye should be green/yellow. Will address that in a bit. Right now I’m just enjoying having some company other than Gozer around the house.
All of the R2s up on that shelf are not so much a collection as what happens when family & friends find out you’re building one… (it’s been a long process. That shelf will look different shortly, more in-universe and less of a shrine to R2-D2. I’m creating some tools and things to live up on the shelf and the other R2s will move onto a shelf in my study.
One of “those things” was a failed 3D print that had been sitting on my workroom desk. Went through my box of laser-leftover pieces, made a few NEW pieces, and NOW it’s some kind of hand-held scanner: