test.scad

drawerCountV = 6;
drawerCountH = 4;

// x1, x10, x100, x1K, x10K, x100K, x1M = 7 values
drawerSubsections = 7;

drawerCountTotal = drawerCountV * drawerCountH;

// ikea kallax standard
boxSides = 330;
boxDepth = 370;

E_24 = [100,110,120,130,150,160,180,200,220,240,270,300,330,360,390,430,470,510,560,620,680,750,820,910];

// default balsa wood thickness
materialThickness = 3;

fingerGroove = 20;

drawerHeight = (boxSides-(2*materialThickness))/(drawerCountV);
drawerWidth = (boxSides-(materialThickness))/(drawerCountH);

subsectionWidth = (boxDepth-(2*materialThickness))/drawerSubsections;

module ridge(height, width, materialThickness) {
    
    ridgeThickness = 1;//ceil(materialThickness/3);
    
    // front left
    translate([
        ridgeThickness,
        -ridgeThickness,
        ridgeThickness
    ])
    cube([
        ridgeThickness,
        ridgeThickness + 1,
        (height-ridgeThickness)
    ]);
    
    // front right
    translate([
        (width - (ridgeThickness*2)),
        -ridgeThickness,
        ridgeThickness
    ])
    cube([
        ridgeThickness,
        ridgeThickness + 1,
        (height-ridgeThickness)
    ]);
    
    // front bottom
    translate([
        ridgeThickness,
        -ridgeThickness,
        ridgeThickness
    ])
    cube([
        (width - (ridgeThickness*2)),
        ridgeThickness + 1,
        ridgeThickness
    ]);    
}

module part(height, width, depth, materialThickness) {
    
    innerDrawerWidth = width-(materialThickness*2);
    innerDrawerHeight = height-(materialThickness*2);
    
    union() {        
        difference() {
            cube([
                width,        // width
                depth,    // depth
                height              // height
            ]);

            translate([
                materialThickness,
                materialThickness,
                materialThickness,
            ])
            cube([
                innerDrawerWidth,                       // width
                depth,                        // depth
                innerDrawerHeight + materialThickness + 1   // height
            ]);
            
            translate([
                0,
                depth,
                0
            ])
            
            ridge(height, width, materialThickness);
        }
        
        ridge(height, width, materialThickness);
    }
}


drawerHeight = 20;
drawerWidth = 40;
subsectionWidth = 40;

part(drawerHeight,drawerWidth,subsectionWidth,materialThickness);

/**/
translate([
    0,
    subsectionWidth + 4,
    0
])
part(drawerHeight,drawerWidth,subsectionWidth,materialThickness);
/**/


/**/
translate([
    0,
    (subsectionWidth*2) + (4 * 2),
    0
])
part(drawerHeight,drawerWidth,materialThickness,materialThickness);
/**/