offSetLaser=0.15;
segmentSize=75; //mm 
tickness = 3.18;   //mm material
 
resolution=50;
connectorLength=10;
deepBump=0.5;
widthBump=0.2;

chamfer=1;
chamferOffset=1;

chamferConnector=1;
chamferConnectorOffset=0.5;



laserCutterMode=1;
nbConnector=24;

module OrcasConnector(a=[0,90],r=[0,90,0]){
    rotate(r){
    difference(){ 
        union(){
        for(j=a)
          rotate([0,0,j]){
            for(i=[1,-1]){
                translate([connectorLength,i*tickness-i*deepBump,0])
                   scale([1+widthBump,1,1])
                    cylinder(d=tickness,h=tickness,$fn=resolution,center=true);
                translate([connectorLength/2,i*tickness*1.25-i*deepBump,0])  
                    cube([connectorLength,tickness/2,tickness],center=true);
            }
            translate([deepBump,0,0])
                scale([1,(3*tickness-deepBump*2)/(3*tickness),1])
                    cylinder(d=3*tickness,h=tickness,$fn=resolution,center=true);
        }
        
        }
        for(j=a)
            rotate([0,0,j]){
                translate([1.5*tickness,0,0])
                    cube([tickness-offSetLaser*2,tickness-offSetLaser*2,tickness+1],center=true);
                
                if(chamferConnector==1)
                    for(i=[1,-1])
                    translate([1.5*tickness+deepBump+0.3-chamferConnectorOffset,i*tickness/3+0.1,0])
                        rotate([0,0,45])
                             cube([tickness/2,tickness/2,tickness+1],center=true);
            }
        }
    
    }
}

module OrcasHole(v){
     for(i=[0,v[0]/4,-v[0]/4]){
            translate([i,v[1]/2-connectorLength+tickness/2,0],center=true)
                cube([tickness-offSetLaser*2,tickness,tickness*2],center=true);
       
            translate([i,v[1]/2+tickness/2,0],center=true)
                cube([tickness-offSetLaser*2,tickness*2,tickness*2],center=true);
        
            if(chamfer==1){
                for(k=[tickness,-tickness])
                    translate([i+k/(3.4-chamferOffset),v[1]/2+tickness/2,0],center=true)
                        rotate([0,0,45])
                            cube([tickness,tickness,tickness*2],center=true);
            }
        }
    }

module OrcasCube(v){
    difference(){
        cube([v[0]+offSetLaser,v[1]+offSetLaser,v[2]],center=true);
        OrcasHole(v);
        mirror([0,1,0])OrcasHole(v);
        rotate([0,0,90]){
            OrcasHole([v[1],v[0],v[2]]);
            mirror([0,1,0])OrcasHole([v[1],v[0],v[2]]);
        }    
    } 
}

module OrcasCubeBoxe(x=segmentSize,y=segmentSize,z=segmentSize){
    for(i=[1,2,3,4])
        rotate([90*i,0,0])
            translate([0,0,z/2+tickness/2])
                OrcasCube([x,y,tickness]); 
}

module OrcasConnectorBoxe(){
    for(i=[1,2,3,4])
        rotate([90*i,0,0])
            translate([0,-segmentSize/2-tickness/2,segmentSize/2+tickness/2])
                OrcasConnector([0,90]);
}


if(laserCutterMode==0){
    OrcasCubeBoxe(segmentSize,segmentSize,segmentSize);
    OrcasConnectorBoxe();
}
else{
    /*
  projection(){
     for(i=[0:3]) 
        rotate([0,0,i*90])
            translate([-segmentSize/1.7,-segmentSize/1.7])
                OrcasConnector(r=[0,0,0]);
    OrcasCube([segmentSize,segmentSize,tickness]);
  }
  translate([2*segmentSize,0,0])
  projection(){
     for(i=[0:3]) 
        rotate([0,0,i*90])
            translate([-2*segmentSize/1.7,-segmentSize/1.7])
                OrcasConnector(r=[0,0,0]);
    OrcasCube([2*segmentSize,segmentSize,tickness]);
  }
    */
 projection()
    rotate([0,90,0])
  {
 
    translate([0,2*10,0])
  OrcasConnector(a=[0,90,180]);
  translate([0,-2*20,0])
  OrcasConnector(a=[0,90,180,270]);
  }
}

//translate([0,-segmentSize/2-tickness/2,0])
//  OrcasConnector(tickness,[0,90]);