Parametric Bi-fold Door Top Rail Guide

I could not find the type of guide at the hardware store that fit the bi-fold door I was repairing & could not find a design for this either, so I created this parametric version so I could adjust to fit. I am using this in conjunction with the Spring loaded steel pivot shaft that you can get at a hardware store. Those also come with wheels for the guides usually, but could not find one that fit this door.

I initially tried a version of this without the base, but fit thru the gap in the r