During brainstorming stage for mould making I came to the question of material traceability.
For example, if I make a bunch of cool door handles from different types of plastic, that happen to be the same colour, I wouldn’t know which one was for example HDPE and which was PP.
In order to skip material testing (floating, melting temperature) I’d rather add a material type sign to the handle. This could allow me easily re-recycle them later.
Has anyone thought of it / successfully implemented a related technique?