as in the bicycle. constrain motion, e.g. knee joint and car suspension. magnify force, as in the parrotfish jaw. One interesting application of the four bar linkage is found in locking pliers.

[It’s on my MIND] designed a clever BB blaster featuring a four-bar linkage that prints in a single piece and requires no additional hardware. The interesting part is how it turns a trigger pull ...

While there’s a lot to get pumped about here, the one thing that really pops (in a good way) is the bike’s approach to suspension ... frame (rather than standard Horst Link pivots) resulting in a ...