The "strength" of PLA filament all depends on how much the filament is expanded. But at the same time, different filament brands offer a different percentage of expansion range.

Plus, ABS sticks well between layers ... When your 3D printing projects go beyond PLA, these alternative filaments can provide the durability, heat resistance, and unique qualities you need.

This is where a recent video by [CNC Kitchen] is rather illustrative, using a collection of colored PLA filaments from a single filament manufacturer. [CNC Kitchen] ran a range of tests including ...