I designed and printed a mount for the original spoolholder of the Vyper :) So you don't need to change anything on the spoolholder to position it differently.
It seems as if this part can also be used for spoolholder of other Anycubic printers.
orig_spoolholder_mount_cover_v2.stl | 35.6KB | |
orig_spoolholder_mount_v2.stl | 100.9KB |