Tools for concealed hinge

Hi, This model consist in two tools designed to help drilling holes at the right place when installing a concealed print in place hinge.(model here : https://makerworld.com/en/models/195411#profileId-215987) The first tool is a basic L shaped print with 2 holes where you should drill.This tool must be used on the furniture side (the fixed part). The second tool is more complex.You can screw a M4 screw in the hole to tune the friction of the caliper.It then has two functions:Measure/Visualise the