246 lines
8.0 KiB
OpenSCAD
246 lines
8.0 KiB
OpenSCAD
// top plane:
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//round_psu_cable_fan_plane(360, 250, 6.5, 300, 180, 10, 41, 83, 90, 90);
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// middle plane:
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// round_psu_mainboard_plane(360, 250, 6.5, 300, 180, 10, 41, 83);
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// bottom plane:
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round_base_plane(360, 250, 6.5, 300, 180, 10);
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RESOLUTION=36;
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/*
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* Simple, base angular plane with four holes
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*/
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module base_plane(width, height, hole_size, hole_spacing_x, hole_spacing_y) {
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difference() {
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// base square
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square([width, height]);
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// holes
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translate([(width-hole_spacing_x)/2, (height-hole_spacing_y)/2])
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circle(d=hole_size, $fn=RESOLUTION);
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translate([hole_spacing_x+(width-hole_spacing_x)/2, (height-hole_spacing_y)/2])
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circle(d=hole_size, $fn=RESOLUTION);
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translate([(width-hole_spacing_x)/2, height-(height-hole_spacing_y)/2])
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circle(d=hole_size, $fn=RESOLUTION);
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translate([hole_spacing_x+(width-hole_spacing_x)/2, height-(height-hole_spacing_y)/2])
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circle(d=hole_size, $fn=RESOLUTION);
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}
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}
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/*
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* base_plane(...) with rounded edges, using helper function __radius_cutout(...)
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*/
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module round_base_plane(width, height, hole_size, hole_spacing_x, hole_spacing_y, radius) {
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intersection() {
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base_plane(width, height, hole_size, hole_spacing_x, hole_spacing_y);
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__round_square(width, height, radius);
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}
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}
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/*
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* Rounded base plane with cutout for the PSU
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*/
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module round_psu_plane(width, height, hole_size, hole_spacing_x, hole_spacing_y, radius, psu_width, psu_height) {
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difference() {
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round_base_plane(width, height, hole_size, hole_spacing_x, hole_spacing_y, radius);
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translate([width-psu_width, height/2-psu_height/2])
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square([psu_width, psu_height]);
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}
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}
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/*
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* Rounded base plane with cutout for cables
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*/
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module round_cable_plane(width, height, hole_size, hole_spacing_x, hole_spacing_y, radius, cable_width, cable_height) {
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difference() {
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round_base_plane(width, height, hole_size, hole_spacing_x, hole_spacing_y, radius);
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difference() {
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union() {
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translate([0, height/2-cable_height/2])
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square([cable_width, cable_height]);
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// Outer rounds
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translate([radius, height/2-cable_height/2-radius])
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rotate([0, 0, 90])
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__radius_cutout(radius);
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translate([radius, height/2+cable_height/2+radius])
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rotate([0, 0, 180])
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__radius_cutout(radius);
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}
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// Inner rounds
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translate([cable_width-radius, height/2+cable_height/2-radius])
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__radius_cutout(radius);
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translate([cable_width-radius, height/2-cable_height/2+radius])
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rotate([0, 0, 270])
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__radius_cutout(radius);
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}
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}
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}
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/*
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* Base plane with combined cutouts: for PSU and for cables
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*/
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module round_psu_cable_plane(width, height, hole_size, hole_spacing_x, hole_spacing_y, radius, psu_width, psu_height, cable_width, cable_height) {
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intersection() {
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round_psu_plane(width, height, hole_size, hole_spacing_x, hole_spacing_y, radius, psu_width, psu_height);
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round_cable_plane(width, height, hole_size, hole_spacing_x, hole_spacing_y, radius, cable_width, cable_height);
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}
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}
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/*
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* Base plane with combined cutouts: for PSU and mainboard bearings
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*/
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module round_psu_mainboard_plane(width, height, hole_size, hole_spacing_x, hole_spacing_y, radius, psu_width, psu_height) {
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difference() {
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round_psu_plane(width, height, hole_size, hole_spacing_x, hole_spacing_y, radius, psu_width, psu_height);
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rotate([0, 0, 180])
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translate([-310, -244])
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__mainboard_bearings(230, 244);
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}
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}
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/*
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* Base plane with cutouts for two fans in the center
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*/
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module round_fan_plane(width, height, hole_size, hole_spacing_x, hole_spacing_y, radius) {
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difference() {
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round_base_plane(width, height, hole_size, hole_spacing_x, hole_spacing_y, radius);
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// lower fan
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translate([width/2-120/2, height/4-120/2])
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__fan_cutout(120, 105, 5);
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// upper fan
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translate([width/2-120/2, height*3/4-120/2])
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__fan_cutout(120, 105, 5);
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}
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}
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/*
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* Base plane with cutouts for psu, cables and fans
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*/
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module round_psu_cable_fan_plane(width, height, hole_size, hole_spacing_x, hole_spacing_y, radius, psu_width, psu_height, cable_width, cable_height) {
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intersection() {
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round_psu_plane(width, height, hole_size, hole_spacing_x, hole_spacing_y, radius, psu_width, psu_height);
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round_cable_plane(width, height, hole_size, hole_spacing_x, hole_spacing_y, radius, cable_width, cable_height);
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round_fan_plane(width, height, hole_size, hole_spacing_x, hole_spacing_y, radius);
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}
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}
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/*
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* Helper function for round edges
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*/
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module __radius_cutout(radius) {
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difference() {
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translate([radius/2, radius/2, 0])
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square([radius, radius], center=true);
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circle(radius, $fn=RESOLUTION);
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}
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}
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/*
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* Helper function for square with round edges
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*/
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module __round_square(width, height, radius) {
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difference() {
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square([width, height]);
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translate([width-radius, height-radius])
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__radius_cutout(radius);
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translate([radius, height-radius])
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rotate([0, 0, 90])
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__radius_cutout(radius);
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translate([radius, radius])
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rotate([0, 0, 180])
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__radius_cutout(radius);
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translate([width-radius, radius])
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rotate([0, 0, 270])
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__radius_cutout(radius);
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}
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}
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/*
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* Helper function for fan cutout
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*/
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module __fan_cutout(outer_size, inner_size, bearing_size) {
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// Bearing
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translate([outer_size-(outer_size-inner_size)/2, outer_size-(outer_size-inner_size)/2])
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circle(d=bearing_size, $fn=RESOLUTION);
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translate([(outer_size-inner_size)/2, outer_size-(outer_size-inner_size)/2])
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circle(d=bearing_size, $fn=RESOLUTION);
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translate([outer_size-(outer_size-inner_size)/2, (outer_size-inner_size)/2])
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circle(d=bearing_size, $fn=RESOLUTION);
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translate([(outer_size-inner_size)/2, (outer_size-inner_size)/2])
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circle(d=bearing_size, $fn=RESOLUTION);
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// middle squares
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translate([0, outer_size-inner_size, 0])
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__round_square(outer_size, inner_size-(outer_size-inner_size), 5);
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//translate([outer_size-inner_size, 0, 0])
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//__round_square(inner_size-(outer_size-inner_size), outer_size, 5);
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// round edges between middle squares
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/*translate([outer_size-inner_size-2.5, outer_size-inner_size-2.5, 0])
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__radius_cutout(2.5);
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translate([outer_size-(outer_size-inner_size)+2.5, outer_size-inner_size-2.5, 0])
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rotate([0, 0, 90])
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__radius_cutout(2.5);
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translate([outer_size-(outer_size-inner_size)+2.5, outer_size-(outer_size-inner_size)+2.5, 0])
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rotate([0, 0, 180])
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__radius_cutout(2.5);
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translate([outer_size-inner_size-2.5, outer_size-(outer_size-inner_size)+2.5, 0])
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rotate([0, 0, 270])
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__radius_cutout(2.5);
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*/
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}
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module __mainboard_bearings(mainboard_width, mainboard_height) {
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// measured from a microATX (970M Pro3):
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// * mainboard_width=230;
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// * mainboard_height=244;
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bearing_size=4;
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// bottom row
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translate([0, 5]) {
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// inofficial hole added by ASROCK (970M Pro3)
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// translate([5, 0])
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// circle(d=bearing_size, $fn=RESOLUTION);
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translate([63, 0])
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circle(d=bearing_size, $fn=RESOLUTION);
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translate([195, 0])
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circle(d=bearing_size, $fn=RESOLUTION);
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}
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// middle row
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translate([0, mainboard_height-80]) {
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translate([63, 0])
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circle(d=bearing_size, $fn=RESOLUTION);
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translate([mainboard_width-10, 0])
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circle(d=bearing_size, $fn=RESOLUTION);
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}
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// middle top row
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translate([63, mainboard_height-14])
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circle(d=bearing_size, $fn=RESOLUTION);
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// nearly top left hole
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translate([mainboard_width-10, mainboard_height-34])
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circle(d=bearing_size, $fn=RESOLUTION);
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// top left hole
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// inofficial hole added by ASROCK (970M Pro3)
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// translate([5, mainboard_height-5])
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// circle(d=bearing_size, $fn=RESOLUTION);
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} |