Tour Easy Daytime Running Light: Pile of Prototypes

Although I wish I could come up with a finished design in one pass, usually I end up with a big pile of nope before producing the one I want:

The mounts on the left show the progression from large hemisphere balls to the same-size finger ball to the smaller finger ball, with the smaller cyan arch clamp in the foreground still festooned with its support structure. The stack of plates to the right (with the original faded & distintegrating ABS plates in the bag) comes from reprinting in cyan to match the small mounts now on the bikes:

Hey, it’s time for a ride!