Ona longitudinal i transversal

Model d'ona longitudinal i transversal. Simplement s'ha modificat l'original per tal de que la part del darrera sigui plana.

Modificat de https://www.thingiverse.com/thing:6079871

Longitudinal and transverse wave model. The original has simply been modified so that the back part is flat.
Modified from https://www.thingiverse.com/thing:6079871

Translated from Catalan with Google translator.