Perpetual Calendar With Mechanically Automatic Day Of The Week

Perpetual Calendar With Mechanically Automatic Day Of The Week

Website: thingiverse

Author: shiura

Price: Free Download

File format: .Stl 3d printable

Description:

This calendar automatically keeps the day of the week correct for a year, from March 1st to the end of February in the next year. Contrary to the incremental mechanism of perpetual calendar in fancy mechanical watch, any drum can be rotated arbitrarily to any direction (CW and CCW), endlessly. It is useful to check the