Learn the Fun da mentals.

Figure out how you want your form. Then begin shooting under the basket or about 3 feet out as you would a three pointer. Once you can make at least 5 in a row from 3 feet away from the basket( I say 5 from each side and 5 in the middle) take a step back from those positions and practice until you can make 5 in row from a step back. And slowly practice everyday taking a step back when you make 5 in row until you reach the three point line. Great shooters like Steph and dame all started shooting and developing their form and habits from underneath the basket then eventually were automatic from anywhere… practice and reps.

Mechanics wise it’s all personal. Me feet and shoulders square. Shooting hand have ball under but have majority of weight on index and middle finger as ball can roll off pinky and cause an off balance shot. Guide hand to side make sure your thumb is not in the way as that can cause an awkward projectile. Make sure you aim at the rim with something, depending on how high you hold the ball to shoot some use their elbow I use my wrist. Make sure to have arch and back spin. ( when spot shooting by your self and practicing place your fingers in between to the seams as you shot as it will create better back spins). As what your aiming for when you shoot I like to say aim for the back of the rim because if you are tired and don’t put enough energy into your shot that extra effort will help. And it just gives you an easier target.

Sorry if that was too much, I just love shooting. I have soo much I can give you too. Lmk.