gistfile1.txt

$fn = 50;
include <Round-Anything/polyround.scad>
include <NopSCADlib/core.scad>
include <NopSCADlib/vitamins/pcbs.scad>
use <NopSCADlib/vitamins/pcb.scad>
include <BOSL2/std.scad>
include <BOSL2/partitions.scad>
include <BOSL2/screws.scad>

/*
%translate([180.5, 0, -15])
rotate([-3, 0, 0])
import("/Users/guido/Downloads/Real+Size+MacBook+Air+(OBJ+&+STL)/files/Computer.stl");
*/

/*
Height: 0.16–0.63 inch (0.41–1.61 cm)
Width: 11.97 inches (30.41 cm)
Depth: 8.36 inches (21.24 cm)
*/

/*
Metapost:

for i=0 upto 11:
  draw (i*19, 0); 
endfor

for i=0 upto 19:
  draw (i*2.54, 21);
endfor

for i=0 upto 11:
  x := i*2.54 + (3*2.54);
  if i >= 4: x := x + 2.54; fi;
  if i >= 8: x := x + 2.54; fi;
  draw (x, 21){dir -90}..tension 2.1..{dir -90}(i*19, 0);
endfor

j := 0;
x := j*2.54;
if j >= 4: x := x + 2.54; fi;
if j >= 8: x := x + 2.54; fi;
draw (x, 21){dir -90}..{dir -90}(-1, 0);

j := 1;
x := j*2.54;
if j >= 4: x := x + 2.54; fi;
if j >= 8: x := x + 2.54; fi;
draw (x, 21){dir -90}..{dir -90}(-1, 0);

j := 15;
x := j*2.54;
if j >= 4: x := x + 2.54; fi;
if j >= 8: x := x + 2.54; fi;
if j >= 12: x := x + 2.54; fi;
draw (x, 21){dir -90}..tension 2.1..{dir -90}(19*11+1, 0);

j := 16;
x := j*2.54;
if j >= 4: x := x + 2.54; fi;
if j >= 8: x := x + 2.54; fi;
if j >= 12: x := x + 2.54; fi;
draw (x, 21){dir -90}..tension 2.1..{dir -90}(19*11+1, 0);

*/

// Which of the four parts to show (makes it a lot easier for exporting and printing)
parts = [0, 0, 0, 1];

points = [
    [10,   -2,  5 ],
    [294,  -2,  5 ],
    [294,  96,  5 ],
    [270,  96,  5 ],
    [270,  122, 5 ],
    [34,   122, 5 ],
    [34,   96,  5 ],
    [10,   96,  5 ],
];

knurled_nut_diameter = 4.2;
screw_shank_diameter = 3.0;

module embedded_nut_m3() {
    rotate([0, 90, 0])
    cylinder(h=5.75, d=knurled_nut_diameter, center=true);
}

module embedded_nuts() {
    // Well for screw holder thingy
    translate([294-6.7, 10, 2]) embedded_nut_m3();
    translate([294-6.7, 90, 2]) embedded_nut_m3();
    translate([15.8, 10, 2]) embedded_nut_m3();
    translate([15.8, 90, 2]) embedded_nut_m3();
}

module keyboard() {

difference() {
union() {
    color("cyan") linear_extrude(6) polygon(polyRound(points, 30));
}

translate([9, -5, -1]) cube([4, 120, 5]);
translate([290.1, -5, -1]) cube([4, 120, 5]);

embedded_nuts();

for ( x = [0:11], y = [0:3] ) {
    // Holes for key switches
    translate([x*19+38, y*19+3, -1])
    cube([14, 14, 6]);
    
    // Wells for columns
    translate([x*19+38+6, 10, -1])
    cube([2, 80, 3]);    
}
translate([38, 5, -1]) cube([19*11, 2, 3]);
translate([38, 5+19, -1]) cube([19*11, 2, 3]);
translate([38, 5+(19*2), -1]) cube([19*11, 2, 3]);
translate([38, 5+(19*3), -1]) cube([19*11, 2, 3]);

// Deep well for chips
translate([60, 109, -1]) cube([53, 21.5, 5], center=true);

// Wide well for edges
translate([60, 109, -1]) cube([53, 21.5-1.7-1.7, 10], center=true);

// Hole for button
translate([37.5+10, 109+4.8+1-11.4+2, 1]) cylinder(h=10, r=4);

// Wires
//translate([45, 74, -1]) scale([2.85, 3.2, 1]) linear_extrude(3) import("lappy keyboard wires.svg");
//translate([38, 73, -2]) cube([210, 26, 4]);

// Far side rows
translate([0, 0, -2]) linear_extrude(4) polygon(polyRound([
    [81,  101, 0],
    [260, 101, 3],
    [263, 70, 3],
    [263, 3,  3],
    [260, 3,  0],
    [260, 70, 3],
    [258, 97, 3],
    [81,  97, 3],
], 30));

// Near side rows
translate([0, 0, -2]) linear_extrude(4) polygon(polyRound([
    [38, 3, 0],
    [36, 3, 3],
    [36, 120, 0],
    [40, 109, 0],    
], 30));

// Columns
translate([0, 0, -2]) linear_extrude(4) polygon(polyRound([
    [42, 85, 5],
    [42, 110, 0],
    [80, 110, 0],
    [80, 85, 5],
], 30));
translate([0, 0, -2]) linear_extrude(4) polygon(polyRound([
    [75,  85, 0],
    [80,  95, 0],
    [255, 95, 5],
    [255, 85, 0],
], 30));

// Depression to top of keys
translate([0, 0, 4.3]) linear_extrude(10) polygon(polyRound([
    [30,  -3, 0],
    [270, -3, 0],
    [270, 80, 5],
    [30,  80, 5],
], 30));
}

// Standoff thingies
color("red") {
    translate([37.5, 109+4.8+1, 0]) cylinder(h=4, r=1.025);
    translate([37.5, 109+4.8+1-11.4, 0]) cylinder(h=4, r=1.025);
    translate([37.5+47, 109+4.8+1, 0]) cylinder(h=4, r=1.025);
    translate([37.5+47, 109+4.8+1-11.4, 0]) cylinder(h=4, r=1.025);
}
}

module bottom_plate() {
    difference() {
        union() {
            color("purple") translate([0, 0, -2]) linear_extrude(2) polygon(polyRound(points, 30));
            //color("cyan") translate([100, 120, -4]) cube([100, 2, 2]);
            // Sides
            difference() {
                color("green") translate([0, 0, 0]) linear_extrude(4) polygon(polyRound(points, 30));
                translate([13, -10, -4]) cube([277, 200, 10]);
            }
        }
        // Holes for stems
        for ( x = [0:11], y = [0:3] ) {
            translate([x*19+38+7, y*19+3+7, -6])
            cylinder(h=14, d=5, center=true);
        }
        
        // Well for screw shank
        translate([9, 10, 2]) rotate([0, 90, 0]) cylinder(h=6.1+2, d=screw_shank_diameter, center=true);
        translate([9, 90, 2]) rotate([0, 90, 0]) cylinder(h=6.1+2, d=screw_shank_diameter, center=true);
        translate([290.01, 10, 2]) rotate([0, 90, 0]) cylinder(h=6.1+2, d=screw_shank_diameter, center=true);
        translate([290.01, 90, 2]) rotate([0, 90, 0]) cylinder(h=6.1+2, d=screw_shank_diameter, center=true);
    }
}

if (parts[0]) {
    translate([-10, 0, 0]) difference() {
            rotate([0, 0, 0]) translate([-160, -100, 0]) keyboard();
            partition_mask(w=350, l=45, cutpath="dovetail", cutsize=5, spin=90, inverse=true);
            translate([6, -300, -50]) cube([200, 400, 100]);
        }
}
if (parts[1]) {
    translate([10, 0, 0]) difference() {
            rotate([0, 0, 0]) translate([-160, -100, 0]) keyboard();
            partition_mask(w=350, l=45, cutpath="dovetail", cutsize=5, spin=90, inverse=false);
            translate([-200, -222.4, -50]) cube([206, 200, 100]);
    }
}

    
    //keyboard();

    /*
    for ( x = [0:11], y = [0:3] ) {
        translate([x*19+38+7, y*19+3+7, 1]) switch();
    }
    translate([61, 109, 0]) rotate([0, 0, 0]) pcb(pcbs[5]);
    //rotate([0, -90, 0]) screw("M3", head="pan", drive="phillips",length=6);
    */
if (parts[2]) {
    translate([-10, 0, -10]) difference() {
            rotate([0, 0, 0]) translate([-160, -100, 0]) bottom_plate();
            translate([-10, -100, 0]) partition_mask(w=350, l=300, cutpath="dovetail", cutsize=5, spin=90, inverse=true);
        }
}
if (parts[3]) {
    translate([10, 0, -10]) difference() {
            rotate([0, 0, 0]) translate([-160, -100, 0]) bottom_plate();
            translate([-10, -100, 0]) partition_mask(w=350, l=300, cutpath="dovetail", cutsize=5, spin=90, inverse=false);
    }
}

module switch() {
    translate([0, 0, 3.6])
    rotate([90, 00, -90])
    import("Kailh_PG1353.stl");
}