printerpart=0;//default value for the constant printerpart, it can be changed through command line using -D
////use compile.sh to generate the stl files in stl/ subdirectory
type=printerpart;  //assign the constant value to a variable to be able to test it, even if the constant hasn't been defined in command line
//pour visualisation de l'assemblage
if (type==0)
 {
supportsuperieur();
supportinferieur();
 }
//pour impression via script compile.sh
if (type==1)
rotate ([180,0,0])    supportsuperieur();
if (type==2)
translate([80,0,17])  supportinferieur();