== How to build a stemp meter ==
1. Need Ramp 32" Mark at 30" for ball to start
2. Cut the bottom at 20 20-degree angle
3. Cut a support at 20 degrees - place at 10.5" away
4. Use the IPhone Level App to angle 20 degrees

== Test Roll ==
1. Roll 3 balls on a level spot
2. Get the average distance that is between 9-11 is average
3. Roll 3 balls in opposite direction
 - average two runs that is the stemp rating