IN REPLY TO YOUR INDOOR NEEDS,I RESENTLY HELPED MY BUDDY BUILD AN INDOOR 3D RANGE. THE BUILDING IS 52X152 HEATED AND VERY WELL LIGHTED. WE SHOOT McKENZIE AND RHINEHART TARGETS.IT IS 45 YARDS CORNER TO CORNER AND VERY ROOMY! HE KEEEPS ABOUT 32 TO 35 TARGETS ON THE RANGE BUT WE ONLY SHOOT 30. GREAT PLACE TO GET OUT OF THE COLD. CURRENTLY RUNNING 3D LEAGUES. WE ARE LOCATED ABOUT 30 MILES SOUTH OF ERIE , PA.. ROUGHLY 50 MILES FROM OHIO LINE. I HOPE THIS MIGHT HELP YOU! THE RANGE IS CALLED ''FULL DRAW ARCHERY''. (814)827-4607