The clock is built from two Adafruit Neopixel rings, each with 60 LEDs. These are mounted on a 3D-printed shield that directs and softens the light to create the time elements.

If you are looking for a 3D printable wall clock with a USP, Lewis from DIY Machines has created one inspired by the Hollow Clock design.

That’s a nice clock. Small improvement, you put all the sections of LED strips in series (at 02:02 into the video). Long led strips tend to have a voltage drop due to the current to all the LED ...