Leather gauge with 3 mm pitch
With the help of a pattern, it is easy to make markings for the seam.
There are holes in the template for using an awl - it pierces holes in the skin.
The pattern has holes for the rod. Using a silver rod, you can make markings.
Teeth - pressing on which you can leave a mark on the skin.
The oval notch can be used to punch holes with a stepper punch so that the punch does not "go" to the side.
At the end of the pattern there was a ruler with a certain step to check the correctness of the markup.
The pattern is made of stainless steel 1.5 mm thick