Tech21 SansAmp Bass Driver settings saver

This thing saves the settings of knobs while the pedal is in bag or at gig. There are two models R4 and R5 - they differ by mounting type to the pedal. First mounting type(R4) is by control knob's nuts(it needs to remove knobs and nuts and then assembly in reverse order). Second (R5) - by 3M tape or the same. 

I printed this model by Bestfilament PETG and then marked on laser engraver. The files for engraving in attachment.