large electronic clock controlled by arduino nano together with DS3231. It uses ws2812B diodes. Dimensions: 465x160x40 mm
You need:
58 - diodes
1 - arduino nano
1 - DS3231
3 - TACT micro switches
1 - 5V 3A power supply with mini USB plug
print:
Black PLA
1 - case_dots
1 - case numbers h
1 - case numbers m
1 - cover dots
1 - cover numbers h
1 - cover numbers m
2 - pad led numbers
1 - pad led dots
White PLA
2 - dots
28 - numbers
1 - plug

3D printing settings

PLA Corofill
nozzle temperature 220
table temperature 60
layer height 0.2