-include <configuration.scad>
-
-module bolt_track(width, length, height) {
- hwidth = width / 2;
- hdiff = hwidth - height;
- union() {
- difference() {
- rotate([90, 0, 0])
- translate([hwidth, height, -length])
- cylinder(h=length, r=hwidth, $fn=$fn);
-
- if (height < hwidth) {
- translate([0, -1, height - hwidth - 1])
- cube([width, length + 2, hdiff + 1]);
- }
- }
- cube([width, length, height]);
- }
-}
-
-function bracket_width(screw_area) = screw_area * 2 + threaded_rod_diameter;
-function bracket_depth(lip_thickness, screw_area) = screw_area * 2 + lip_thickness;
-function bracket_height(lip_length) = board_thickness + lip_length;
-
-module beveled_box(size, bevel_size=4) {
- function pythag(a, b) = sqrt(a * a + b * b);
- function bevelradius(x, y, bevel) = pythag(x, y) - bevel * max(x, y) / min(x, y);
-
- xzbevel = bevelradius(size[0], size[2], bevel_size);
- yzbevel = bevelradius(size[1], size[2], bevel_size);
- intersection() {
- cube(size);
- translate([size[0] / 2, size[1] / 2, size[2] / 2])
- rotate([0, 45, 0])
- cube([xzbevel, size[1], xzbevel], center=true);
- translate([size[0] / 2, size[1] / 2, size[2] / 2])
- rotate([45, 0, 0])
- cube([size[0], yzbevel, yzbevel], center=true);
- }
-}
-
-module yrodbracket(screw_area, lip_thickness, lip_length, bevel_size=2.0) {
- inner_radius = threaded_rod_diameter / 2;
- screw_center = screw_area / 2;
-
- width = bracket_width(screw_area);
- depth = bracket_depth(lip_thickness, screw_area);
- height = bracket_height(lip_length);
-
- difference() {
- translate([0, 0, -lip_length])
- beveled_box([width, depth, height], bevel_size);
- translate([screw_area, -1, -lip_length - lip_thickness])
- bolt_track(threaded_rod_diameter, depth + 2, lip_length + lip_thickness + inner_radius);
-
- translate([-1, lip_thickness, -lip_length - 1])
- cube([width + 2, depth, lip_length + 1]);
-
- // screw holes
- for (x = [screw_center, width - screw_center]) {
- for (y = [lip_thickness + screw_center, screw_area + lip_thickness + screw_center]) {
- translate([x, y, board_thickness])
- rotate([180, 0, 0])
- screw();
- }
- }
- }
-}
-
-rotate([90, 0, 0]) {
- for (x = [0, bracket_width(12) + 5]) {
- for (y = [0, bracket_height(3) + 5]) {
- translate([x, 0, y])
- yrodbracket(12, 3, 3);
- }
- }
-}
+include <configuration.scad>
+
+module bolt_track(width, length, height) {
+ hwidth = width / 2;
+ hdiff = hwidth - height;
+ union() {
+ difference() {
+ rotate([90, 0, 0])
+ translate([hwidth, height, -length])
+ cylinder(h=length, r=hwidth, $fn=$fn);
+
+ if (height < hwidth) {
+ translate([0, -1, height - hwidth - 1])
+ cube([width, length + 2, hdiff + 1]);
+ }
+ }
+ cube([width, length, height]);
+ }
+}
+
+function bracket_width(screw_area) = screw_area * 2 + y_threaded_rod_long_r * 2;
+function bracket_depth(lip_thickness, screw_area) = screw_area * 2 + lip_thickness;
+function bracket_height(lip_length=0) = y_threaded_rod_long_r * 2 + 6 * layer_height + lip_length;
+
+module yrodbracket(screw_area, lip_thickness, lip_length, bevel_size=2.0) {
+ inner_radius = threaded_rod_diameter / 2;
+ screw_center = screw_area / 2;
+
+ width = bracket_width(screw_area);
+ depth = bracket_depth(lip_thickness, screw_area);
+ height = bracket_height(lip_length);
+
+ difference() {
+ translate([0, 0, -lip_length])
+ cube_fillet([width, depth, height], bevel_size, top=[2, 2, 2, 2]);
+ translate([screw_area, -1, -lip_length - lip_thickness])
+ bolt_track(y_threaded_rod_long_r * 2, depth + 2, lip_length + lip_thickness + inner_radius);
+
+ translate([-1, lip_thickness, -lip_length - 1])
+ cube([width + 2, depth, lip_length + 1]);
+
+ // screw holes
+ for (x = [screw_center, width - screw_center]) {
+ for (y = [lip_thickness + screw_center, screw_area + lip_thickness + screw_center]) {
+ translate([x, y, bracket_height() + 0.1])
+ rotate([180, 0, 0])
+ screw(head_drop=3, r_head=4.5);
+ }
+ }
+ }
+}
+
+rotate([90, 0, 0]) {
+ for (x = [0, bracket_width(12) + 5]) {
+ for (y = [0, bracket_height(3) + 5]) {
+ translate([x, 0, y])
+ yrodbracket(12, 3, 3);
+ }
+ }
+}