display_holder.scad

module cube_rounded_xy(x,y,z,r) {
    $fn=50;
    translate([r,r,0]) minkowski()
    {
      cube([x-2*r,y-2*r,z-r/4]);
      cylinder(r=r,h=r/4);
    }
}

revision = "r1";
text_font = "Liberation Mono:style=Bold";
brand_font = "Liberation Mono:style=Bold Italic";
text_size = 5;

surf_offset = 0.001;
disp_thickness = 1.6;
disp_emboss = 0.3;
disp_x = 27-0.05;
disp_y = 19.5-0.35;

cutout_y = 26-0.1;
cutout_thickness = 2.5;

pcb_thickness = 1.3;

lcd_x = 21.7;
lcd_y= 10.9;

module disp_holder(print_support, show_display, dummy) {
    
    if(show_display) {
        color([0.1,0.1,0.1, 0.8]) translate([0, 2-0.2, cutout_thickness-disp_thickness-disp_emboss]) cube([disp_x,disp_y,disp_thickness]);
        
        color([0.1,0.1,0.1]) translate([(disp_x-lcd_x)/2, 5, 2.15]) cube([lcd_x,lcd_y,0.1]);
    }
    
    /*color([0.2,0.2,0.2])*/ difference() {
        union() {
            cube_rounded_xy(disp_x, cutout_y, cutout_thickness, 1.25);    
            translate([0,-2,-0.2]) cube([disp_x,cutout_y+2*2,cutout_thickness-pcb_thickness+0.2]);
            
            //revision text
            translate([disp_x/2,disp_y/2+2,0.3-surf_offset-0.3]) rotate([180,0,0]) linear_extrude(height = 0.5) {
            text(revision, size = text_size, font = text_font, halign = "center", valign = "center", $fn = 16);
            }
            
            //branding
            translate([disp_x/2,disp_y+3.4,pcb_thickness+0.85])  linear_extrude(height = 0.5) rotate([0,0,180]) text("PolyKybd", size = 2.3, font = brand_font, halign = "center", valign = "center", $fn = 16);
        }
        if(!dummy) {
            translate([-0.5, 4+disp_emboss/2, cutout_thickness-disp_thickness+surf_offset]) cube([disp_x+1,disp_y-disp_emboss*2-4,disp_thickness]);
            
            //reduce material
            translate([1,1,-3]) cube([disp_x-2,2,4]);
        
            //display space
            translate([-0.5, 4-0.2, cutout_thickness-disp_thickness-disp_emboss]) cube([disp_x+1,disp_y/2,disp_thickness-0.1]);
            translate([-0.5, 4-0.2+disp_y/2, cutout_thickness-disp_thickness-disp_emboss]) cube([disp_x+1,disp_y/2,disp_thickness-0.25]);
            
            //flex cable cutout
            translate([(disp_x-16)/2,21,cutout_thickness-disp_thickness -0.3]) cube([16,10,1.0]);
        }
        //tape cutout
        //translate([(disp_x-8)/2,14,cutout_thickness-1]) cube_rounded_xy(8, 8, 1, 1);

    }
    
    //distnace holders
    translate([26,-1,-2.5]) cylinder(r=0.75, h = 2.9, $fn=32);
    translate([1,-1,-2.5]) cylinder(r=0.75, h = 2.9, $fn=32);
    translate([26,27,-2.5]) cylinder(r=0.75, h = 2.9, $fn=32);
    translate([1,27,-2.5]) cylinder(r=0.75, h = 2.9, $fn=32);
    
    if(print_support) {
        translate([0,2-0.2,0]) //cylinder(r1=1,r2=1, h=pcb_thickness+disp_thickness-disp_emboss*2,$fn=30);
        cube([0.2,0.35,pcb_thickness+disp_thickness-disp_emboss*2], center = false);
        translate([disp_x-0.2,2-0.2,0]) //cylinder(r1=1,r2=1, h=pcb_thickness+disp_thickness-disp_emboss*2,$fn=30);
        cube([0.2,0.35,pcb_thickness+disp_thickness-disp_emboss*2], center = false);
    }
}


//disp_holder(false, false, false);

module ten_connected_pieces(){
    for ( i = [0 : 4] ){
        translate([(disp_x+1)*i-6,0,-10]) cylinder(r=0.75, h=9, $fn=64);
        translate([(disp_x+1)*i-29+10,0,-2]) disp_holder(false, false, false);
        translate([(disp_x+1)*i-29+10,disp_y+7,-9.7]) rotate([180,0,0]) disp_holder(false, false, false);
    }
    translate([50, 0, -6]) rotate([0,90,0]) cylinder(r=0.75, h=112, $fn=64, center =true);
}

ten_connected_pieces();