Scale-Space is an MTS-ESP #microtuning master plugin. It allows you to dynamically manipulate the current scale by using an XY slider to explore the 'scale space' between 4 interpolated scales.
Or you can enter the 3rd dimension in 3D mode and get 8 interpolated scales!
https://codeberg.org/yonder/Scale-Space
Builds are available here:
https://github.com/eventual-recluse/Scale-Plugin-Builds