You're thinking of the Knapp joint which were sometimes called dovetails. The pantograph router version is a modern recreation of how the original was made. Th

You're thinking of the Knapp joint which were sometimes called dovetails. The pantograph router version is a modern recreation of how the original was made. This video has some explanation of the new method and why they were originally popular in the first place (mostly limitations of available machines): https://www.youtube.com/watch?v=MlJjsvph3r8&ab_channel=Matthiasrandomstuff https://www.youtube.com/watch?v=MlJjsvph3r8&ab_channel=Matth...