I'll start with the 3pt%. Just use a basic formula and keep it simple. I use the Perimeter Rating of the players. If the Per Rating is 0-40/set at -2, if it's 40-60/set at -1, and above 60/set at 0. You'll rarely see a guy above 90 so don't worry about +1 or +2. Distro isn't that simple and can be pretty complicated. Distro means how many and the percentage of shots you want each of your players taking and that changes with every game and needs to be adjusted every game depending on the opponent and his players. You have to consider your own players Offensive IQ (D/C-/B+/A) depending on whether he's a Freshman. Sophmore, Junior, or Senior, his LP or PER Rating, your opponents DEF IQ (D/C-/B+/A) for each guy in each position, his individual DEF Ratings or Shot Blocking for each guy in each position, and your type of Offense compared to his Defense. In General it's who you want shooting the ball for each game. In general if you're playing a Zone and have great PER guys, bump up the Guards. If your playing a M2M, bump them down a little. For your guys who are not great shooters keep them at like a 2 or 4 if they are starters or backups (never zero, just to keep the opponent honest). Bench players or 3rd string guys you can put at Zero. Medium shooters PER or LP, keep in the 8 to 10 range, and great shooters 12 to 16. If you have a Senior guy with a rating of 80 or better (LP or PER) going against a Freshman with a DEF of 10 to 25, you may want to play around with it a little and bump his Distro up to 18 or 20, just to see exactly how good your guy is.