This video will walk you through the final assembly process for building an original VFE Pedal in a Hammond 1590B enclosure. The tolerances in this build are tight, but building pedals by hand requires some margin for error. The process presented in this video are the steps I used to make sure that each pedal was aligned properly in a 1590B style enclosure.
Here's the link to pre-drilled 1590B enclosure from Pedal Parts Plus!
https://www.pedalpartsplus.com/product-p/1590b10vfe.htm