Aperture clock

The idea of this thing is comimg from the question "How to make the clock using the hour arm only?"
The solution is a kind of strobo effect with apertures that reproduces the minute arm.
Most of time you will see two munute arms and have to define the true position somewhere in beetween.

To assemble and install clock, the base stand was used from:
https://www.thingiverse.com/thing:3772178