In the case of this aerial drone chassis, all you would need to do is tell it something like, it has four propellers, you want it to be as lightweight as possible, and you need it to be aerodynamically efficient.
Tämän ilmalennokin rungon tapauksessa sille tarvitsee kertoa vain, että sillä on neljä potkuria, haluat sen olevat mahdollisimman kevyt, ja haluat sen olevan  aerodynaamisesti tehokas.