Step 1: Step 1: Materials
Step 2: Step 2: Shape
Make as show in the picture. (Sorry, mods in the background, well, the modpack voltz in tekkit, ill talk about it later and maybe make an instructable on it).
Step 3: Step 3: Add Redstone Stuffies
Add the redstone as shown. Add the button at the opposite side of the one cobblestone. Added to that, in the 3rd picture, add that block there so when u load, you don't mess up. MAKE SURE ALL THE REDSTONE REPEATERS ARE SET IN 4 TICKS!!!