Customizable Half Letter/A5 bookbinding

thingiverse

For A5 or Half Letter format bookbinding of at least 100 perforated sheets with a standard hole distance of 80mm, use the provided sticks to assemble the flexible main part (as shown in the image). Insert the pages, fold the main component and secure it using the locking key section by translating it into place. A heading can be added on the backside.