209 lines
4.8 KiB
C
209 lines
4.8 KiB
C
//*** DIMENSIONS ***//
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x = 0; y = 1; z = 2; // simplify array references
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printer_layer_height=0.1313;
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tol = 0.25; // tolerance
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$fn = 80; // facet count for curves
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label_text = "2026-05 v3.5";
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label_size = 5;
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// Include non-printing placeholder compoenents
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render_placeholders = false;
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// Only render mesh overlap structures
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render_supports = false;
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// Junction Box
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jbox_dim = [51,92,82];
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jbox_screw_distance = 83.5;
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jbox_screw_dia = 2.1;
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jbox_ear_width = 18.155 + 2;
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jbox_ear_thickness = 3;
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jbox_ear_pleatau = -15;
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jbox_hole_inset = 4;
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jbox_mount_dim = [15, 10, jbox_dim.z];
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// Dial
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dial_pos = [23.63,19.52];
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dial_r = 18;
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dial_bezel_r = 3;
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dial_depth = 10.5;
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dial_walls = 1.5;
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dial_shaft_depth = 5;
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dial_shaft_r = 10 / 2;
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dial_hole_r = 6.25 / 2;
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dial_hole_cut = (dial_hole_r * 2) - 4.75;
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dial_faceplate_tol = 1.0;
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// Faceplate
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face_pos = [0, -5, 0];
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thickness = 3;
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corner_r = 10;
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// brim_thickness = 13.5;
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brim_thickness = 19.5 + 5;
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display_thickness = 8;
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display_window_layers = 3;
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display_window_thickness = display_window_layers * printer_layer_height;
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display_window_depth = 1;
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display_pos = [[10.93,39.44],[10.93,59.76]];
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display_dim = [25.4,19,display_thickness];
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display_tolerance = 0.25;
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xdim = 75; //placeholder
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ydim = 115;
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zdim = display_thickness + display_window_depth;
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yoff = -10;
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// MAX IC keepout
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max_pos = [47.20,55.95]; // centered
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max_dim = [10,34,4];
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// Control PCB
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pcb_dim = [54.8,82.29,1.6];
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pcb_pos = [
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(xdim / 2) - dial_pos.x,
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(ydim / 2) - (pcb_dim.y / 2) + 5,
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zdim
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];
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diffuse_inter_digit=12.7;
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diffuse_xoff1 = 1;
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diffuse_xoff2 = diffuse_xoff1 + diffuse_inter_digit;
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diffuse_yoff = 2.5;
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mounting_holes = [
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[3.31,3.08],
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[49.78,35.05],
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[51.01,5.08],
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[3.81,78.81],
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[51.01,78.81]
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];
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// ESP Backpack
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esp_header_dim = [3,38,3];
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esp_header_offset = 6;
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esp_pos = [23.43,19.59,pcb_dim.z+esp_header_dim.z];
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esp_dim = [48,26,4];
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mounting_stem_r = 8.75/2;
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relay_mounting_stem_r = 7.75/2;
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mounting_hole_r = 2.75/2; //for M2 screws
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mounting_hole_depth = 5; //for 6mm long screws
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mounting_stem_support_height = zdim;
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mounting_stem_support_base = zdim;
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mounting_stem_support_thickness = 2;
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hook_dim = [3,20,30];
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hook_cut_pos = [-1,10,3];
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hook_cut_dim = [3, 10];
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hook_cut_height = 20;
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hook_cut_angle = 2;
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// RELAY BOARD
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relay_dim = [41.58,62.22,1.6];
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relay_pos = [(jbox_dim.x / 2) - (relay_dim.x / 2),
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jbox_mount_dim.y + 7,
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-9.5];
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relay_mounting_holes = [
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[3.81,3.81],
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[38.1,3.81],
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[3.81,58.65],
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[38.1,58.65]
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];
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relay_cover_height = 15.0;
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relay_cover_thickness = 1.5;
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relay_cover_mount_stem_r = 3.75;
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relay_cover_mount_hole_r = 1.9;
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relay_cover_mount_thickness = 1;
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relay_sidewalls = 1.5; //TODO, merge this with thickness
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relay_pcb_inset = 5.5;
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relay_threaded_insert_depth = 8; //For M2x8x3.5 inserts
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// NOTE: the following amount of the threaded brass insert should
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// be left protruding:
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// relay_pcb_inset - relay_dim.z = 5.5 - 1.6 = 3.9
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// array of tuples, [pos,length]
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// relay_conn_openings = [
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// [8.0,9.0],
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// [32.0,4],
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// [42.5,4]
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// ];
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relay_actap_pos = [ [relay_dim.x-3.81,34.29],[relay_dim.x-3.81,44.45] ];
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relay_passthrough_pos = [6.35 - 2,13.7 - 1];
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relay_passthrough_dim = [4+2,8+2,10];
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relay_conn_height=relay_pcb_inset - relay_dim.z;
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// DHT SENSOR
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dht_dim = [20.2,16.4,9.4];
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dht_pos = [xdim - dht_dim.x - thickness - 11,
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thickness,
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thickness - 1];
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dht_slot_dim = [1.5,dht_dim.y + thickness,dht_dim.z];
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dht_slot_spacing = 1.5;
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// FACEPLATE HOOKS
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face_hook_tol = 0.25;
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face_hook_thickness = 3;
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face_hook_width = 15;
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face_hook_jbox_clearance = 2;
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face_hook_dim_4 = [ 2,15, 10];
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face_hook_overreach = (xdim / 2) - (jbox_dim.x / 2) - face_hook_dim_4.x - face_hook_tol;
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face_hook_dim_1 = [12,
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face_hook_width,
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thickness];
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face_hook_dim_2 = [ thickness,
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face_hook_width,
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-relay_pos.z];
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face_hook_dim_3 = [face_hook_overreach + face_hook_jbox_clearance,
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15,
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1.5];
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face_hook_slot_dim = [2 + 2, 15/2 + 1,3];
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face_hook_slot_pos = [-1,15/2,4];
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face_hook_pos = [
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[8, 70], // left side
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[8, 70] // right side
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];
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face_hook_tab_dim = [3,
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8,
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face_hook_slot_dim.z - (face_hook_tol * 2)];
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// BEZEL
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bezel_r = 5;
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// MODULES
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module mounting_stem(depth, stem_r = mounting_stem_r, hole_r = mounting_hole_r) {
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difference() {
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linear_extrude(depth) {
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circle(stem_r);
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}
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translate([0,0,2]) {
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linear_extrude(depth + 1) {
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circle(hole_r);
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}
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}
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}
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// stem_support(0);
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// stem_support(90);
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// stem_support(180);
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// stem_support(270);
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}
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//support triangle
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support_points = [
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[0,0],
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[0, mounting_stem_support_height],
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[mounting_stem_support_base, 0]
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];
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support_paths = [[0, 1, 2]];
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module stem_support(rotation) {
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rotate([90,0,rotation]) {
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translate([mounting_stem_r - 1,0,-mounting_stem_support_thickness / 2]) {
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linear_extrude(mounting_stem_support_thickness) {
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polygon(points=support_points, paths=support_paths);
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}
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}
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}
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}
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