// -Shay

#macro Beveled_Box (C1, C2, DEPTH) /*C1=Corner 1 / C2=Corner 1*/
 #declare C1b = C1+<DEPTH,DEPTH,DEPTH>;
 #declare C2b = C2-<DEPTH,DEPTH,DEPTH>;
 #mesh2 {
  vertex_vectors {24, 
   <C2b.x,C2b.y,C1.z>, <C1b.x,C2b.y,C1.z>, <C1b.x,C1b.y,C1.z>, <C2b.x,C1b.y,C1.z>,
   <C2b.x,C2.y,C1b.z>, <C1b.x,C2.y,C1b.z>, <C1.x,C2b.y,C1b.z>, <C1.x,C1b.y,C1b.z>,  
   <C1b.x,C1.y,C1b.z>, <C2b.x,C1.y,C1b.z>, <C2.x,C1b.y,C1b.z>, <C2.x,C2b.y,C1b.z>, 
   <C2b.x,C2.y,C2b.z>, <C1b.x,C2.y,C2b.z>, <C1.x,C2b.y,C2b.z>, <C1.x,C1b.y,C2b.z>,  
   <C1b.x,C1.y,C2b.z>, <C2b.x,C1.y,C2b.z>, <C2.x,C1b.y,C2b.z>, <C2.x,C2b.y,C2b.z>,
   <C2b.x,C2b.y,C2.z>, <C1b.x,C2b.y,C2.z>, <C1b.x,C1b.y,C2.z>, <C2b.x,C1b.y,C2.z>}
  face_indices {46
   <0,1,2>, <0,2,3>,
   <0,11,4>, <0,4,5>, <0,5,1>, <1,5,6>, <1,6,7>, <1,7,2>, 
   <2,7,8>, <2,8,9>, <2,9,3>, <3,9,10>, <3,10,11>, <3,11,0>,
   <11,19,12>, <11,12,4>, <4,12,13>, <4,13,5>, <5,13,14>, <5,14,6>,
   <6,14,15>, <6,15,7>, <7,15,16>, <7,16,8>, <8,16,17>, <8,17,9>,
   <9,17,18>, <9,18,10>, <10,18,19>, <10,19,11>, <11,19,12>, <11,12,4>,
   <20,19,12>, <20,12,13>, <20,13,21>, <21,13,14>, <21,14,15>, <21,15,22>, 
   <22,15,16>, <22,16,17>, <22,17,23>, <23,17,18>, <23,18,19>, <23,19,20>,
   <20,21,22>, <20,22,23>}}
#end 

#macro Cut_Box (C1, C2, DEPTH) /*C1=Corner 1 / C2=Corner 1*/
 difference {
  box {C1, C2}
  union {
   cylinder {<C2.x,C2.y,C1.z>, <C1.x,C2.y,C1.z>, DEPTH}
   cylinder {<C1.x,C2.y,C1.z>, <C1.x,C1.y,C1.z>, DEPTH}
   cylinder {<C1.x,C1.y,C1.z>, <C2.x,C1.y,C1.z>, DEPTH}
   cylinder {<C2.x,C1.y,C1.z>, <C2.x,C2.y,C1.z>, DEPTH}
   cylinder {<C2.x,C2.y,C1.z>, <C2.x,C2.y,C2.z>, DEPTH}
   cylinder {<C1.x,C2.y,C1.z>, <C1.x,C2.y,C2.z>, DEPTH}
   cylinder {<C1.x,C1.y,C1.z>, <C1.x,C1.y,C2.z>, DEPTH}
   cylinder {<C2.x,C1.y,C1.z>, <C2.x,C1.y,C2.z>, DEPTH}    
   cylinder {<C2.x,C2.y,C2.z>, <C1.x,C2.y,C2.z>, DEPTH}
   cylinder {<C1.x,C2.y,C2.z>, <C1.x,C1.y,C2.z>, DEPTH}
   cylinder {<C1.x,C1.y,C2.z>, <C2.x,C1.y,C2.z>, DEPTH}
   cylinder {<C2.x,C1.y,C2.z>, <C2.x,C2.y,C2.z>, DEPTH}}}
#end