MNT: convert _MotorPrints to a parent class and conceive its children

[Gui-FernandesBR]

Is your feature request related to a problem? Please describe.

A lot of code repetition inside the private _MotorPrints class and similar.

Describe the solution you'd like

Make the same that was already did for the motor plots here #456

Additional context

Easy to do, but consumes time