Adjustable Punching Template for Bookbinding

I got tired of making a new cardstock template every time I wanted my sewing holes positioned slightly differently, however, none of the templates with regularly-spaced holes offered enough flexibility for my preferences. Enter: the adjustable punching template! This template, designed to be used with a punching cradle, allows you to slide sets of paired holes (designed for sewing around half-inch tapes) to whatever position you would like, with moveable single holes you can place at the head and tail. If you don't use tapes in your binding, you can print more of the single-hole sliders instead. The main template is available with an imperial (8.5") or metric (210mm) ruler, and the holes come in two sizes (for punching with a needle awl or with a larger awl). The ruler is positioned diagonally so it IS printable on the A1 mini! Please note that this model is only the template, not the cradle. You can find punching cradle models here on makerworld, or make one out of other materials--I'