I doubt you can learn much out of tweened flat cutouts beyond fitting polynomials to data points. The difficulty with full animation is rotation & deformation y

I doubt you can learn much out of tweened flat cutouts beyond fitting polynomials to data points. The difficulty with full animation is rotation & deformation you can't do at all with cutouts. (Puppet warp/DUIK cutouts are much less rigid than Flash but the above still applies)