Here’s a layout in the Wicki-Hayden isomorphic keyboard style, both plain MIDI and MPE, with files for printing at the correct size (trim to fit).
The LEFT slider is set to Modulation Wheel (CC1) and the RIGHT slider to Channel Volume (CC7) but you can change these as you wish.
The UP and DOWN buttons move the octave relative to the printed layout.
I’ve included both blank SVG and PNG files and ones with W-H note values, for making other isomorphic keyboard layouts. (You’ll need to change the note values on the printouts.)
My first Morphism!