//B. Vandeportaele 2023
use <librepere.scad>
eps=0.0001;

resolution=20;  //paramètre pour régler le niveau de détail du modèle rendu
bords_arrondis=1; //1 pour sphere, 2 pour cylindre

/////////////////////
module piece(jeu=0){
rotate([90,0,0])
    translate([0,0,-10])
        cylinder(h=20,r=15+jeu,$fn=resolution);
}
/////////////////////
module palette(){
rotate([90,0,0])    
    union(){
        difference(){
            minkowski(){
                #linear_extrude(height = 400, center = true, convexity = 10, twist =0)
                    polygon([[0,0],[100,0],[100,50],[0,100]], [[0,1,2,3]], convexity = 10);
                if (bords_arrondis==1){
                    sphere(r=4,$fn=resolution);
                } else {
                    //rotate([90,0,0])
                    cylinder(r=4,h=1,$fn=resolution);
                }
            }
        translate([0,104,0]) 
            rotate([0,0,atan2(-50,100)])
                for (b =[1:2]){    
                    for (a =[-4:4]){
                       echo(a+b*9);        // affichage numéro pièce
                       if (((a+b*9) % 4 )!=0){
                            translate([b*42-5,0,a*42])
                            //scale([20,20,20]) repere();
                            piece(0.5);
                        }                
                    }
                 }
        translate([0,104,0]) 
            rotate([0,0,atan2(-50,100)])
                hull(){
                    for (b =[1,2]){    
                        for (a =[-4,4]){
                            echo(a+b*9);     // affichage numéro pièce
                            if (((a+b*9) % 4 )!=0){
                                translate([b*42-5,9,a*42])
                                    //scale([20,20,20]) repere();
                                    piece(0.5);
                            }
                        }
                    }
                }
        }
        translate([15,10,205-eps])
            scale([1.2,2.1,1])
                linear_extrude(height = 10, center = true, convexity = 10, twist =0)
                    text("IUT GEII");
    }
}
//////////////////:
palette();