Thickness gauge from a dial indicator

Some 3d printer owners have clock indicators stashed away.
These have been successfully replaced by the modern 3DTouch. https://aliclick.shop/r/c/1qy5oaytj302igyv
You can make a great thickness gauge out of this tool, and use it to calibrate filament flow instead of a micrometer.
My model is designed to be used in conjunction with the following hour indicator.
https://aliclick.shop/r/c/1qy5ntc7hr5z5oep
A detailed description can be found in the following article in Russian.
https://usamodelkina.ru/22057-delaem-prostoj-tolschinomer-mikrometr-na-osnove-chasovogo-indikatora.html