At first glance, the 42 teenage boys going through drills and playing supervised pick-up games at Our Lady of the Lake University’s Mabee Gym appear to be cogs in the never-ending prep basketball machine. Clinics, fall leagues, AAU summer tournaments and camps such as this one fill the void between high school seasons. While many of the campers are from San Antonio and the Hill Country, others are from Romania, Macedonia and Kosovo.