How is everyone designing their basket for holding balls?

[MrBamboo]

My team is making a harvester and we think that a great strategy is to transfer a very high number of balls from a harvester to a good shooter quickly and safely. We think most teams will have some kind of mechanism that picks up balls from the ground, but transfering ball by dropping them on ground next to an ally shooter is not very efficient or safe, also the balls are free for opposing robots to take or move. I think most teams will have an open basket of some sort to allow human players to toss balls in. So here is the question

What shape and how big are your basket openings and how high are they positioned? And where on your robot is it?Obviously if your basket is at the 5 feet limit it is very difficult for a harvester to pass balls to you because of the height limit. I think it would help everyone to have some sort of a standard for this. This way harvesters knows what they can expect in designing a transfer mechanism and the shooters can expect good allies that can supply them with balls without worrying how they can take those balls.

So again, What shape and how big are your basket openings and how high are they positioned? And where on your robot is it?