Yep, I went with the flat top ones! Hoping I can get the arms to connect more tightly than when it first arrived. There was a massive gap with the seam between the two arm halves, so I might have to widen the holes for the LEDs.
The flat ones are easy enough to get, and I think they just arrived. I’m gonna start work on removing the green ones, and soldering on the new ones. I also need to re-wire the connections for the right sequence.