This is a elite-c v4 holder for the lolligagger tray mount for Joshua Shreves
Dactyl Manuform python port if you
enable controller_mount_type = 'EXTERNAL'.
Print it with 0.15mm layer height on a 0.4mm nozzle with stock settings. Supports are not needed - at least on a Prusa Mini+. Don't try to pry it off the bed - wait until it is cooled down, otherwise you will rupture the single layer.