bananaschplitcase.scad

bsx=77;
bsy=32;

// distance of screwhole to edge of pcb
screwdist=3.5;
screwr=1.75;

clearance=2;
wall=2;


module box() {
    difference() {
        cube([bsx + 2*clearance + 2*wall, bsy + 2*clearance + 2*wall, 10]);
        translate([wall, wall, wall])
        cube([bsx + 2*clearance, bsy + 2*clearance, 10]);
    }
}

module base() {
    difference() {
        union() {
            box();
            translate([screwr*2 + wall+clearance, screwr*2 + wall+clearance, wall])
                cylinder(r=screwr*2, h=3);
            translate([screwr*2 + wall+clearance, screwr*2 + wall+clearance + bsy - 2*screwdist, wall])
                cylinder(r=screwr*2, h=3);
            translate([screwr*2 + wall+clearance  + bsx - 2*screwdist, screwr*2 + wall+clearance, wall])
                cylinder(r=screwr*2, h=3);
            translate([screwr*2 + wall+clearance + bsx - 2*screwdist, screwr*2 + wall+clearance + bsy - 2*screwdist, wall])
                cylinder(r=screwr*2, h=3);
        }
        translate([screwr*2 + wall+clearance, screwr*2 + wall+clearance, -0.1])
            cylinder(r=screwr, h=10, $fn=20);
        translate([screwr*2 + wall+clearance, screwr*2 + wall+clearance + bsy - 2*screwdist, -0.1])
            cylinder(r=screwr, h=10, $fn=20);
        translate([screwr*2 + wall+clearance  + bsx - 2*screwdist, screwr*2 + wall+clearance, -0.1])
            cylinder(r=screwr, h=10, $fn=20);
        translate([screwr*2 + wall+clearance + bsx - 2*screwdist, screwr*2 + wall+clearance + bsy - 2*screwdist, -0.1])
            cylinder(r=screwr, h=10, $fn=20);
        
        translate([wall + clearance + screwdist + screwr*2, -0.1, wall])
            cube([bsx - 2*screwdist - 4*screwr, wall*2.1, 10.1-wall]);
        translate([-0.1, wall + clearance+screwdist + screwr*2, wall])
            rotate([0,0,0])
            cube([wall*2.1, bsy - 2*screwdist - 4*screwr, 10.1-wall]);
    }
}

base();

stl.stl