/*
*******************************************
Objekt Info: Box mit Schnallen-Verschluss
*******************************************
Version: 30.04.2022 khf
*******************************************
*/

//***************   Auswahl   *************

bottom();
top();
bottomLatch();

//***************   Libraries  ************

//keine

//*****************************************

//***************  Parameter   *************
$fn = 100;
width = 40;
depth = 40;
height = 15;
wallThickness = 1.5;
hingeOuter = 6;
hingeInner = 3;
hingeInnerSlop = .4;
hingeFingerSlop = .4;
fingerLength = hingeOuter/1.65;
fingerSize = 6.8;
topFingerSize = fingerSize;
latchWidth = 15;
//*****************************************

//**************   Programm  **************

module bottom() {
        union() {
                // main box and cutout
                difference() {
                        translate([-width - fingerLength, -depth/2, 0]) {
                                cube([width,depth,height]);
                        }

                        translate([(-width - fingerLength) + wallThickness, -depth/2 + wallThickness, wallThickness]) {
                                cube([width - (wallThickness * 2), depth - (wallThickness * 2), height]);
                        }
                }

                // new latch
                difference() {
                hull() {
                                translate([-(fingerLength*2) - width,-latchWidth,height-2.25]) {
                                        rotate([-90,0,0]) {
                                                cylinder(r = hingeOuter/2, h = latchWidth*2);
                                        }
                                }
                                translate([-width - fingerLength, -latchWidth, height-hingeOuter-2.25]) {
                                        cube([.1, latchWidth * 2, hingeOuter]);
                                }
                                translate([-(fingerLength*2) -width, -latchWidth,height-2.25]){
                                                cube([fingerLength,latchWidth * 2,.1]);
                                        }
                                        translate([-(fingerLength*2) -width, -latchWidth,height-2.25]){
                                                rotate([0,-20,0]) {
                                                        cube([hingeOuter-wallThickness,latchWidth*2,.01]);
                                                }
                                        }
                        }
                        translate([-(fingerLength*3) - width, -(latchWidth/2) - (hingeFingerSlop/2),0]) {
                                        cube([fingerLength*3, latchWidth + hingeFingerSlop,height*2]);
                        }
                }
                // latch rod
                translate([-(fingerLength*2) -width, -latchWidth/2 - hingeFingerSlop, height-2.25]) {
                        rotate([-90,0,0]) {
                                cylinder(r = hingeInner /2, h = latchWidth + (hingeFingerSlop*2));
                        }
                }

                difference() {
                        hull() {
                                translate([0,-depth/2,height]) {
                                        rotate([-90,0,0]) {
                                                cylinder(r = hingeOuter/2, h = depth);
                                        }
                                }
                                translate([-fingerLength - .1, -depth/2,height - hingeOuter]){
                                        cube([.1,depth,hingeOuter]);
                                }
                                translate([-fingerLength, -depth/2,height-.1]){
                                        cube([fingerLength,depth,.1]);
                                }
                                translate([0, -depth/2,height]){
                                        rotate([0,45,0]) {
                                                cube([hingeOuter/2,depth,.01]);
                                        }
                                }
                        }
                        // finger cutouts

                        for  (i = [-depth/2 + fingerSize:fingerSize*2:depth/2]) {
                                translate([-fingerLength,i - (fingerSize/2) - (hingeFingerSlop/2),0]) {
                                        cube([fingerLength*2,fingerSize + hingeFingerSlop,height*2]);
                                }
                        }
                }

                // center rod
                translate([0, -depth/2, height]) {
                        rotate([-90,0,0]) {
                                cylinder(r = hingeInner /2, h = depth);
                        }
                }
        }
}

module top() {
        union() {
                difference() {
                        translate([fingerLength, -depth/2, 0]) {
                                cube([width,depth,height - .5]);
                        }

                        translate([fingerLength + wallThickness, -depth/2 + wallThickness, wallThickness]) {
                                cube([width - (wallThickness * 2), depth - (wallThickness * 2), height]);
                        }


                }

                // new latch
                difference() {
                        hull() {
                                        translate([(fingerLength*2) + width,-latchWidth,height/2]) {
                                                rotate([-90,0,0]) {
                                                        cylinder(r = hingeOuter/2, h = latchWidth*2);
                                                }
                                        }
                                        translate([width + fingerLength, -latchWidth, 0]) {
                                                cube([.1, latchWidth * 2, hingeOuter]);
                                        }
                                        translate([fingerLength + width, -latchWidth,height/2]){
                                                cube([fingerLength,latchWidth * 2,.1]);
                                        }
                                        translate([fingerLength + width, -latchWidth,(height/2) + (hingeOuter/1.5)]){
                                                rotate([0,45,0]) {
                                                        cube([hingeOuter,latchWidth*2,.01]);
                                                }
                                        }
                        }
                        translate([fingerLength + width, -(latchWidth/2) - (hingeFingerSlop/2),0]) {
                                        cube([fingerLength*2, latchWidth + hingeFingerSlop,height*2]);
                        }
                }
                // latch rod
                translate([(fingerLength*2) + width, -latchWidth/2 - hingeFingerSlop, height/2]) {
                        rotate([-90,0,0]) {
                                cylinder(r = hingeInner /2, h = latchWidth + (hingeFingerSlop*2));
                        }
                }

                difference() {
                        hull() {
                                translate([0,-depth/2,height]) {
                                        rotate([-90,0,0]) {
                                                cylinder(r = hingeOuter/2, h = depth);
                                        }
                                }
                                translate([fingerLength, -depth/2,height - hingeOuter - .5]){
                                        cube([.1,depth,hingeOuter - .5]);
                                }
                                translate([-fingerLength/2, -depth/2,height-.1]){
                                        cube([fingerLength,depth,.1]);
                                }
                                translate([0, -depth/2,height]){
                                        rotate([0,45,0]) {
                                                cube([hingeOuter/2,depth,.01]);
                                        }
                                }
                        }
                        // finger cutouts
                        for  (i = [-depth/2:fingerSize*2:depth/2 + fingerSize]) {
                                translate([-fingerLength,i - (fingerSize/2) - (hingeFingerSlop/2),0]) {
                                        cube([fingerLength*2,fingerSize + hingeFingerSlop,height*2]);
                                }
                                if (depth/2 - i < (fingerSize * 1.5)) {
                                        translate([-fingerLength,i - (fingerSize/2) - (hingeFingerSlop/2),0]) {
                                                cube([fingerLength*2,depth,height*2]);
                                        }
                                }
                        }

                        // center cutout
                        translate([0, -depth/2, height]) {
                                rotate([-90,0,0]) {
                                        cylinder(r = hingeInner /2 + hingeInnerSlop, h = depth);
                                }
                        }
                }
        }
}

module bottomLatch() {
        difference() {
                union() {
                        hull() {
                                translate([-(fingerLength *2) - width,-latchWidth/2,height-2.25]) {
                                        rotate([-90,0,0]) {
                                                cylinder( r = hingeOuter /2, h = latchWidth);
                                        }
                                }
                                translate([-fingerLength*2 - width,-latchWidth/2,height-hingeOuter-2.25]) {
                                        rotate([0,20,0]) {
                                                cube([.1,latchWidth,hingeOuter]);
                                        }
                                }

                        }
                        translate([-fingerLength*2 - width -2.6 + hingeOuter/2 - wallThickness,-latchWidth/2,0]) {
                                cube([2.5,latchWidth,height-4.5]);
                        }
                        // latch foot
                        translate([-fingerLength*3 - width - 2.6,-latchWidth/2,0]) {
                                cube([hingeOuter/2 + fingerLength,latchWidth,wallThickness]);
                        }
                        // latch cylinder catch
                        translate([-fingerLength*3 - width + 1 - 2.6,-latchWidth/2,wallThickness]) {
                                rotate([-90,0,0]) {
                                        cylinder(r = 1, h = latchWidth);
                                }
                        }
                }
                translate([-(fingerLength *2) - width,-latchWidth/2 - .1,height-2.25]) {
                        rotate([-90,0,0]) {
                                cylinder( r = hingeInner /2 + hingeInnerSlop, h = latchWidth + .2);
                        }
                }
        }
}