Where( xy-z=0 plane ) is((x-1)(y-1)-1)z=0
( xy-z=5 plane ) is((x-1)(y-1)-1)(z-5)=0
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MISTAKE...THE MASTER CUTTING FUNCTION IS NOT RIGHT...th above is not the 3d shape...
TO GET THE 3D SHAPE....MAKE TO THE MASTER CUT FUNCTION THIS CHANGES...IN EACH PRODUCT...TURN THE MINUS TO A PLUS AND DIVIDE THE WHOLE THIHG BY
2
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This is the correct cutting function