format: Boolean mm per unit: 25.400000 dx dy dz: 0.750000 0.750000 0.400000 xmin ymin zmin: -0.375000 -0.375000 -0.400000 expression: ((1) & ~((((X-(0))*(X-(0)) + (Y-(0))*(Y-(0)) + (Z-(0))*(Z-(0))) <= (0.25*0.25)))) & ~((((X-(0))*(X-(0)) + (Z-(0))*(Z-(0)) <= (0.25*0.25)) & (Y >= (0)) & (Y <= (0.25))))