An original design for a clock using cycloidal gears. There are two cycloidal gears, one for minutes (bottom) and the other for hours (top). A planetary gear is sandwiched in between to reverse the rotation of the output shaft so everything spins clockwise.

Here is a demo video.

More information about assembly and build here.

Print instructions

Minutes Cycloid Gear x1

Minutes Cycloid Pin Frame x1

Minutes Eccentric Piece x1

Minutes Output Shaft Bottom Half x1

Minutes Output Shaft Top Half x1 (glue together)

Hours Cycloid Gear x1

Hours Cycloid Pin Frame x1

Hours Eccentric Piece x1

Planetary Gear x1

Planetary Gear Output Shaft x1

Planetary Gear Holder x1

Electronics Box

Standoff x3

*Hour Hand x1

*Hours Marker x12

• You can skip these parts using color change with prusaslicer