222 lines
9.0 KiB
OpenSCAD
222 lines
9.0 KiB
OpenSCAD
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//uniBox2
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$fn = 32;
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include <./camferCube.scad>
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include <./screwShapes1.scad>
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pcbW = 25; // inside width, mm
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pcbL = 90; // inside length, mm
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pcb_margin = 0.5; // extra space on each edge of PCB, but accounted for in pillar and hole location, mm
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bottomHeight = 50; // height of inside wall for side without screws, mm
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screwSideHeight = 3; // mm
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wall = 2; // wall thickness, mm
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pcb_thickness = 2; // leaves gap between pillars for PCB, mm
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pillar_x = 1; // distance in from edge of PCB, mm
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pillar_y = 1; // distance in from edge of PCB, mm
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screw_thread_diam = 1.5; // diameter of pillar that will accept screw threads
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screw_hole_diam = 2.2;
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// TODO also consider taking PCB a) dimensions and b) hole spacing and
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// building the box around those values (first screw holes, then box).
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// Define box dimensions
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bottomDimsInside = [pcbW + screw_thread_diam + (1.5 * wall),
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pcbL + (2 * pcb_margin),
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bottomHeight + wall];
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bottomDimsOutside = bottomDimsInside + [2 * wall, 2 * wall, 0];
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screwSideDimsInside = [pcbW + screw_thread_diam + (1.5 * wall),
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pcbL + (2 * pcb_margin),
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screwSideHeight + wall];
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screwSideDimsOutside = screwSideDimsInside + [2 * wall, 2 * wall, 0];
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// Define pillar XY locations
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pillarSW = [wall + pillar_x ,
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wall + pillar_y ,
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wall];
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pillarSE = [bottomDimsInside[0] - pillar_x + wall,
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wall + pillar_y,
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wall];
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pillarNW = [wall + pillar_x,
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bottomDimsInside[1] - pillar_y + wall,
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wall];
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pillarNE = [bottomDimsInside[0] - pillar_x + wall,
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bottomDimsInside[1] - pillar_y + wall,
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wall];
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// Echo hole spacing
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echo("X screw center spacing: ", pillarSE[0] - pillarSW[0]);
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echo("Y screw center spacing: ", pillarNE[1] - pillarSE[1]);
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// Define ridge locations
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ridgeWest = [wall/2, bottomDimsInside[1] / 2 + wall, bottomDimsInside[2]];
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ridgeEast = [bottomDimsOutside[0] - wall / 2, bottomDimsInside[1] / 2 + wall , bottomDimsInside[2]];
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ridgeWestScrew = [wall/2, bottomDimsInside[1] / 2 + wall, screwSideDimsInside[2]];
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ridgeEastScrew = [bottomDimsOutside[0] - wall / 2, bottomDimsInside[1] / 2 + wall , screwSideDimsInside[2]];
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module bottom(screwSide = false) {
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difference() {
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if (screwSide) {
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difference(){
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difference() {
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camferHalfCube(screwSideDimsOutside, false);
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translate([wall, wall, wall]) cube(screwSideDimsInside);
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}
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// Add text
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translate([bottomDimsOutside[0] / 3,
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bottomDimsOutside[1] / 3.5,
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1]) rotate([180, 0, 270])
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linear_extrude(2)
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text("Vulpes v01", valign = "center", halign = "center", size = 6, );
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translate([bottomDimsOutside[0] / 1.5 ,
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bottomDimsOutside[1] / 1.5,
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1]) rotate([180, 0, 270])
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linear_extrude(2)
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text("W1CDN", valign = "center", halign = "center", size = 6, );
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}
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} else {
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difference() {
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difference(){
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camferHalfCube(bottomDimsOutside, false);
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translate([wall, wall, wall]) cube(bottomDimsInside);
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}
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}
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}
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// side ridge concave
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translate(ridgeWest) sideRidge();
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translate(ridgeEast) sideRidge();
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// Screw insets
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if (screwSide) {
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translate(pillarSW) translate([0, 0, -wall - 0.02]) flatHeadM2(bottomHeight);
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translate(pillarSE) translate([0, 0, -wall - 0.02]) flatHeadM2(bottomHeight);
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translate(pillarNW) translate([0, 0, -wall - 0.02]) flatHeadM2(bottomHeight);
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translate(pillarNE) translate([0, 0, -wall - 0.02]) flatHeadM2(bottomHeight);
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// Holes for Vulpes board v01.
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// Lay out holes on XY plane, then rotate into place and move to correct side.
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// Measure relative to bottom of PCB.
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translate([bottomDimsInside[0] - (wall * 1.5) - screw_thread_diam,
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wall*1.5,
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0 + wall/2]){
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rotate([0, -180, 90]){
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// Key jack
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translate([-26, 3, 0])
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cylinder(d = 8, h = wall + 0.04, center = true);
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// Key block
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translate([-14, 4, 0])
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cube([10, 6, wall + 0.04], center = true);
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// USB
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translate([-59, 14, 0])
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cube([12, 8, wall + 0.04], center = true);
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}
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}
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}
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}
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if (screwSide) { // if screw side
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// side ridge convex
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translate(ridgeWestScrew) sideRidge(wall);
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translate(ridgeEastScrew) sideRidge(wall);
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// Pillars
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translate(pillarSW) screwPillar(screwSide, screwSideDimsInside[2] - wall, screw_hole_diam, screw_thread_diam);
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translate(pillarSE) screwPillar(screwSide, screwSideDimsInside[2] - wall, screw_hole_diam, screw_thread_diam);
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translate(pillarNW) screwPillar(screwSide, screwSideDimsInside[2] - wall, screw_hole_diam, screw_thread_diam);
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translate(pillarNE) screwPillar(screwSide, screwSideDimsInside[2] - wall, screw_hole_diam, screw_thread_diam);
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// Grooves for PCB
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translate([pillarSE[0] - pcb_thickness - (wall * 1.5) - (screw_thread_diam / 2), wall, 0])
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cube([wall/2, wall*1.5, screwSideDimsInside[2]]);
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translate([pillarNE[0] - pcb_thickness - (wall * 1.5) - (screw_thread_diam / 2), bottomDimsInside[1] - wall/2, 0])
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cube([wall/2, wall*1.5, screwSideDimsInside[2]]);
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}
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else { // if not screw side
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translate(pillarSW) screwPillar(screwSide, bottomDimsInside[2] - wall, screw_hole_diam, screw_thread_diam);
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translate(pillarSE) screwPillar(screwSide, bottomDimsInside[2] - wall, screw_hole_diam, screw_thread_diam);
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translate(pillarNW) screwPillar(screwSide, bottomDimsInside[2] - wall, screw_hole_diam, screw_thread_diam);
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translate(pillarNE) screwPillar(screwSide, bottomDimsInside[2] - wall, screw_hole_diam, screw_thread_diam);
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// Grooves for PCB
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translate([pillarSE[0] - pcb_thickness - (wall * 1.5) - (screw_thread_diam / 2), wall, 0])
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cube([wall/2, wall*1.5, bottomDimsInside[2]]);
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translate([pillarNE[0] - pcb_thickness - (wall * 1.5) - (screw_thread_diam / 2), bottomDimsInside[1] - wall/2, 0])
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cube([wall/2, wall*1.5, bottomDimsInside[2]]);
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}
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}
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module sideRidge(redux = 0) {
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ridgeSize = wall * 0.5;
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rotate([0, 45, 0]) cube([ridgeSize, pcbL - 7 * wall - redux, ridgeSize], true);
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}
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module sideRidge2(redux = 0) {
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ridgeSize = wall * 0.5;
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rotate([0, 45, 0]) cube([ridgeSize, pcbW - 7 * wall - redux, ridgeSize], true);
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}
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module flatHeadM2(length) {
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headMax = 3.75;
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headMin = 2.2;
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headHeight = 2.01;
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cylinder(d1 = headMax, d2 = headMin, h = headHeight + 0.01);
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translate([0, 0, headHeight]) cylinder(d = headMin, h = length - headHeight);
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}
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module bezelCube(dims, center = false, camfer = 1.0) {
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width = dims[0];
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height = dims[1];
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length = dims[2];
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radius = 0.01;
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translate([width, height, length]) {
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rotate([-90, 0, 180]) {
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hull() {
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// lower plane
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translate([0, 0, 0]) sphere(r = radius);
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translate([ width, 0, 0]) sphere(r = radius);
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translate([0, length, 0]) sphere(r = radius);
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translate([ width, length, 0]) sphere(r = radius);
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// upper plane
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translate([- camfer, - camfer, height]) sphere(r = radius);
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translate([ width + camfer, - camfer, height]) sphere(r = radius);
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translate([- camfer, length + camfer, height]) sphere(r = radius);
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translate([ width + camfer, length + camfer, height]) sphere(r = radius);
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}
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}
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}
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}
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module screwPillar(screwSide = false, height, insideDiamHole, insideDiamThread) {
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//insideDiam = 2.6;
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outsideDiam = insideDiamHole + 1.5 * wall;
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difference() {
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union(){
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cylinder(d = outsideDiam, h = height) ;
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//cylinder(h = height * 0.15, r2 = (outsideDiam/2), r1 = outsideDiam*0.7);
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}
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translate([0, 0, -0.01]) {
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if (screwSide) {
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cylinder(d = insideDiamHole, h = height + 0.02);
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} else {
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cylinder(d = insideDiamThread, h = height + 0.02);
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}
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}
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}
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// Extra support at base
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}
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// Make the not-screw side
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translate([10 - wall, 0 - wall, 0]) bottom();
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// Make the screw side and scale it
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translate([-pcbW - 10 - wall, 0 - wall, 0]) bottom(true);
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