Build the habit of combining at every receiving point rather than simply passing the ball on. Players alternate between an eight metre transfer and a three metre one-two, so the weight of pass changes at every station.
Set four poles in a diamond with sides of about eight metres, plus two inner markers, and put players at each station. Play the long side of the diamond, then a quick one-two with the supporting player at that corner, then the next long side. Keep the one-two genuinely short, around three metres. Work one direction until the rhythm holds, then reverse it. First time on all returns, two touch elsewhere.
Passing patterns usually train transfer: the ball goes from one station to the next and the players get good at moving it around a shape. What they do not get is practice at doing something on arrival, which is where matches are actually decided.
Inserting a one-two at every corner changes the exercise from a circulation drill into a combination drill. The ball still travels the shape, but at each station it has to be worked with somebody before it moves on. Over ten minutes that produces a very high number of one-twos, which is the most common combination in football and the one most players perform adequately rather than well.
The technical value sits in the constant change of weight. An eight metre pass along the diamond and a three metre return are different actions: one is struck, one is cushioned. Alternating them every few seconds stops players settling into the single weight that every passing rhythm eventually produces, and that alternation is the reason this is more useful than a plain diamond.
The habit that has to be fought is skipping. Once a group has the shape, somebody will notice they can just play the long pass and keep the ball moving, and it looks smoother, so it spreads. It is also the moment the drill stops teaching anything. The one-two is not a decoration on the pattern, it is the pattern, and the long passes are what connect them.
Save it to your private drills, then change the animation, adjust positions, swap equipment, or drop it into a session block. Or start from a blank pitch and build your own.