@ovchipkaart I like this.

Both literally, a character scientifically playing with a precise tool and getting a satisfying result. (There is the important detail that the scale determines the feather as being heavier than the heart.)

And metaphorically if this represents a moderation decision (a user being approved? getting a favorite?). Moderators do very hard work, I wanted to see an art motif mostly associated with very respected figures in this context.