
This project is a continuation of my quest to build
a robotic clock that can write and rewrite the
time continuously, day in and day out. My first
attempt, Doodle Clock, was a failure due to the
marker drying up. Doodle Clock #2 failed because
the display — a kids’ magnetic drawing board —
soon got scratched.
This new clock, Sequino, was inspired by my
daughter’s T-shirt with the pattern-changing
sequin cloth glued to it. After getting some stock
sequin fabric from a vendor, I figured out the size
of the clock based on the minimum resolution of
the cloth: it has 5mm circular sequins stitched
3mm apart. Another limit of the clock was my 3D
printer ...