I love astronomical clocks and have been working on a design for my own clock. Someday I hope to perfect enough skills to build it. Netherlands machinist Pieter Merckx has already built a number of similar clocks that are shown on his wonderful site, Astroclocks.nl.

Check out some of his art (much more on his site):

Astronomical Clock 1

Pieter’s first clock was a doozy!

Astronomical Clock 2

His second…

Astronomical Clock CAD drawing

A CAD drawing for that second clock…

Astro Clock 3

The third astronomical clock…

Astro Clock 3 Assembly

The third clock being assembled…


The builder in his shop. The machines are small but the inspiration is great!

And, if you like gear work, be sure to also check out Georotic Gear Design Software.


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