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/*
* LED light - 2k lumen luminaire designed around Cree XLamp 17 W modules
*/
$fn = 50;
module xlamp(bs, led) {
translate([-bs/2, -bs/2, 0])
cube([bs, bs, 1]);
translate([0, 0, 1]) {
color([1, 0.9, 0])
cylinder(d=led-1, h=0.4);
cylinder(d=led, h=0.3);
}
}
module xlamp_clamp() {
diam = 44;
height = 3.4;
difference() {
/* main body */
cylinder(d=diam, h=height);
union() {
hole_diam = 3;
hole_spac = 35;
/* mounting holes */
translate([-hole_spac / 2, 0, -1]) cylinder(d=hole_diam, h=height+2);
translate([ hole_spac / 2, 0, -1]) cylinder(d=hole_diam, h=height+2);
/* main bore for LED */
translate([0, 0, -1]) cylinder(d=16, h=height+2);
/* bore taper */
translate([0, 0, pcb_dz]) cylinder(d1=16, d2=21, h=height - pcb_dz + 0.01);
/* retaining well for LED board
FIXME rotation not correct*/
pcb_dz = 1;
pcb_dx = 18;
pcb_dy = 18;
rotate([0, 0, -26]) translate([-pcb_dx / 2, -pcb_dy / 2, -1]) cube([pcb_dx, pcb_dy, pcb_dz + 1]);
}
}
}
module diffuser(d, h, standoff_h, diff_col, bolt_col, standoff_col) {
bolt_diam = 5;
bolt_h = 2;
bolt_from_edge = 4;
module bolthead(con) {
translate([con, 0, 0])
scale([bolt_diam, bolt_diam, bolt_h])
sphere(d=1);
}
module standoff(d, h, con) {
translate([con, 0, 0])
cylinder(d=d, h=h);
}
/* diffuser hardware (standoffs, bolts) */
for (theta = [0 : 120 : 360]) {
rotate([0, 0, theta]) {
con = d / 2 - bolt_from_edge;
color(bolt_col)
translate([0, 0, standoff_h])
bolthead(con=con);
color(standoff_col)
standoff(d=bolt_diam, h=standoff_h, con=con);
}
}
/* Diffuser plate. Needs to come last for correct alpha */
color(diff_col) {
translate([0, 0, standoff_h - h]) {
cylinder(d=d, h=h);
}
}
}
module outer_case(di, h, wt) {
difference() {
cylinder(d=di+2*wt, h=h);
translate([0, 0, -1])
cylinder(d=di, h=h+2);
}
}
module heatsink_style_pins(d, h, bt) {
con_factor = 7;
count_factor = 7;
module pin(d, h, con) {
translate([con, 0, 0])
cylinder(d=d, h=h);
}
module pins_ring(d, h, n) {
count = n * count_factor;
con = n * con_factor;
deg = 360/count;
for (theta = [0 : deg : 360]) {
rotate([0, 0, theta])
pin(d=d, h=h, con=con);
}
}
cylinder(d=d, h=bt);
translate([0, 0, bt]) {
pd = 2;
ph = h - bt;
rows = (d / 2 - pd) / con_factor;
for (i = [0 : rows]) {
pins_ring(pd, ph, i);
}
}
}
/* entire luminaire */
{
color([0.2, 0.2, 0.2])
outer_case(di=100, h=130, wt=3);
/* fan */
fan_h = 20;
#cylinder(d=90, h=fan_h);
/* FIXME circuit board, controls */
/* heatsink and gear mounted to it */
heatsink_h = 50;
translate([0, 0, heatsink_h + fan_h]) {
mirror([0, 0, 1]) {
/* heatsink */
color([0.2, 0.2, 0.2])
heatsink_style_pins(d=90, h=heatsink_h, bt=10);
}
/* LED plus clamp */
{
rotate([0, 0, -26])
xlamp(bs=18, led=16);
color([0.9, 0.9, 0.9])
xlamp_clamp();
}
/* diffuser */
diffuser(d=90, h=3, standoff_h=50,
diff_col=[0.8, 0.8, 0.8, 0.7], /* temporarily set opacity down */
bolt_col=[0.6, 0.6, 0.6],
standoff_col=[0.6, 0.6, 0.3]);
}
}
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