A player who occupies a free throw lane space shall not touch the floor on or across the free ... endline and extended 4' (imaginary) off the court and the farther edge of the free throw line ...

The playing court shall be measured and marked as shown in the court diagram. b. A free throw lane, 12 feet wide measured ... 10' above and parallel to the floor and equidistant from the vertical ...

Ahead of the first jump ball of the 3-on-3 basketball ... the floor will be that every foul she incurs will be an automatic technical foul. This gives the opposing team a one-point free throw.