feat: coins arrondis (hull/spheres CORNER_RADIUS=6mm) + gorge joint O-ring normalisée
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Julien Holtzer
parent
c341de345a
commit
c976b7182e
2 changed files with 125 additions and 47 deletions
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@ -39,7 +39,7 @@ SHOW_ELECTRONICS = true; // PCB central + batterie (visualisation)
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SHOW_PCBS = true; // PCBs anneau + bouchon dans les faces
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SHOW_SECTION = false; // Coupe en section pour voir l'intérieur
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EXPLODE = 0; // 0 = assemblé, 1 = vue éclatée (0 à 1 progressif)
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EXPLODE = 1; // 0 = assemblé, 1 = vue éclatée (0 à 1 progressif)
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// Distance d'éclatement
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EXPLODE_DIST = 40 * EXPLODE;
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@ -60,28 +60,11 @@ module frame() {
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difference() {
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union() {
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// --- 12 arêtes du cube ---
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// Arêtes selon X (4)
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for (y = [-1, 1], z = [-1, 1]) {
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translate([0, y * (half - edge_d/2), z * (half - edge_d/2)])
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cube([CUBE_SIZE - 2*edge_d, edge_w, edge_d], center=true);
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}
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// Arêtes selon Y (4)
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for (x = [-1, 1], z = [-1, 1]) {
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translate([x * (half - edge_d/2), 0, z * (half - edge_d/2)])
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cube([edge_d, CUBE_SIZE - 2*edge_d, edge_w], center=true);
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}
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// Arêtes selon Z (4)
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for (x = [-1, 1], y = [-1, 1]) {
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translate([x * (half - edge_d/2), y * (half - edge_d/2), 0])
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cube([edge_d, edge_w, CUBE_SIZE - 2*edge_d], center=true);
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}
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// --- Squelette arrondi (12 arêtes + 8 coins sphériques) ---
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_rounded_frame_skeleton();
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// --- 8 coins ---
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for (x = [-1, 1], y = [-1, 1], z = [-1, 1]) {
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translate([x * (half - edge_d/2), y * (half - edge_d/2), z * (half - edge_d/2)])
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cube([edge_d, edge_d, edge_d], center=true);
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}
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// --- Corniches de contact (surface plane pour joint O-ring) ---
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_frame_contact_ledges();
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// --- Plots de fixation (4 par face, 6 faces) ---
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// Face +Z (dessus) et -Z (dessous)
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@ -231,6 +214,91 @@ module _all_mount_holes() {
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}
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}
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// Cube arrondi (hull de 8 sphères aux coins)
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module _rounded_cube(size, r) {
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hull() {
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c = size/2 - r;
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for (x = [-1, 1], y = [-1, 1], z = [-1, 1])
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translate([x*c, y*c, z*c])
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sphere(r=r);
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}
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}
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// Squelette arrondi : coque arrondie évidée + ouvertures pour les 6 faces
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module _rounded_frame_skeleton() {
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half = CUBE_SIZE / 2;
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r = CORNER_RADIUS;
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edge_d = FRAME_EDGE_DEPTH;
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opening = CUBE_SIZE - 2 * edge_d;
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difference() {
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// Coque extérieure arrondie
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_rounded_cube(CUBE_SIZE, r);
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// Évidement intérieur
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cube([opening, opening, opening], center=true);
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// Ouvertures pour les 6 faces (traversées)
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cube([opening, opening, CUBE_SIZE + 2], center=true); // ±Z
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cube([CUBE_SIZE + 2, opening, opening], center=true); // ±X
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cube([opening, CUBE_SIZE + 2, opening], center=true); // ±Y
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}
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}
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// Corniches plates sur chaque face du squelette
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// Surface de contact plane pour l'assise du joint O-ring et la fixation
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module _frame_contact_ledges() {
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half = CUBE_SIZE / 2;
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edge_d = FRAME_EDGE_DEPTH;
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lw = FRAME_LEDGE_WIDTH;
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lh = FRAME_LEDGE_HEIGHT;
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opening = CUBE_SIZE - 2 * edge_d;
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outer = opening + 2 * lw;
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// Corniche sur chaque face : anneau plat (outer - opening)
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// +Z et -Z
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for (z = [-1, 1]) {
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translate([0, 0, z * (half - edge_d + (z > 0 ? 0 : -lh))])
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difference() {
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linear_extrude(lh)
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offset(r=CORNER_RADIUS)
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offset(delta=-CORNER_RADIUS)
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square([outer, outer], center=true);
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translate([0, 0, -0.5])
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linear_extrude(lh + 1)
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square([opening, opening], center=true);
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}
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}
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// +Y et -Y
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for (y_dir = [-1, 1]) {
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translate([0, y_dir * (half - edge_d + (y_dir > 0 ? 0 : -lh)), 0])
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rotate([90, 0, 0])
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difference() {
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linear_extrude(lh)
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offset(r=CORNER_RADIUS)
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offset(delta=-CORNER_RADIUS)
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square([outer, outer], center=true);
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translate([0, 0, -0.5])
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linear_extrude(lh + 1)
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square([opening, opening], center=true);
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}
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}
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// +X et -X
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for (x_dir = [-1, 1]) {
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translate([x_dir * (half - edge_d + (x_dir > 0 ? 0 : -lh)), 0, 0])
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rotate([0, 90, 0])
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difference() {
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linear_extrude(lh)
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offset(r=CORNER_RADIUS)
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offset(delta=-CORNER_RADIUS)
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square([outer, outer], center=true);
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translate([0, 0, -0.5])
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linear_extrude(lh + 1)
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square([opening, opening], center=true);
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}
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}
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}
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// Canaux pour le passage des nappes/câbles JST vers chaque face
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module _cable_channels() {
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ch_w = 10; // Largeur du canal
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@ -275,18 +343,20 @@ module face_standard() {
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difference() {
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union() {
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// --- Coque extérieure ---
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// Plaque principale
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// --- Coque extérieure (coins arrondis) ---
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difference() {
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// Plaque pleine
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translate([0, 0, FACE_TOTAL_DEPTH / 2])
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cube([face_size - 2*edge_d + 6, face_size - 2*edge_d + 6, FACE_TOTAL_DEPTH], center=true);
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// Évidement intérieur (laisser les parois)
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translate([0, 0, FACE_TOTAL_DEPTH / 2 + WALL_THICKNESS])
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cube([face_size - 2*edge_d + 6 - 2*WALL_THICKNESS,
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face_size - 2*edge_d + 6 - 2*WALL_THICKNESS,
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FACE_TOTAL_DEPTH], center=true);
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// Parois extérieures avec coins arrondis
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linear_extrude(FACE_TOTAL_DEPTH)
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offset(r=CORNER_RADIUS)
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offset(delta=-CORNER_RADIUS)
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square([face_size - 2*edge_d + 6, face_size - 2*edge_d + 6], center=true);
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// Évidement intérieur
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translate([0, 0, WALL_THICKNESS])
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linear_extrude(FACE_TOTAL_DEPTH)
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offset(r=max(0.5, CORNER_RADIUS - WALL_THICKNESS))
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offset(delta=-max(0.5, CORNER_RADIUS - WALL_THICKNESS))
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square([face_size - 2*edge_d + 6 - 2*WALL_THICKNESS,
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face_size - 2*edge_d + 6 - 2*WALL_THICKNESS], center=true);
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}
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// --- Membrane tactile (centre, amincie) ---
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@ -321,15 +391,11 @@ module face_standard() {
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}
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}
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// Plaque extérieure de la face (la surface visible)
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// Plaque extérieure de la face (surface visible, coins arrondis)
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module _face_outer_plate(size) {
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// Plaque pleine, épaisseur = WALL_THICKNESS, avec le centre aminci
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difference() {
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cube([size, size, WALL_THICKNESS], center=true);
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// Le centre sera aminci séparément
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}
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translate([0, 0, -WALL_THICKNESS/2])
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linear_extrude(WALL_THICKNESS)
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offset(r=CORNER_RADIUS)
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offset(delta=-CORNER_RADIUS)
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square([size, size], center=true);
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}
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@ -381,15 +447,24 @@ module _face_mount_holes() {
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}
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}
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// Rainure pour joint torique périphérique
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// Rainure pour joint torique O-ring
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// Gorge rectangulaire continue suivant le contour arrondi de la face
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// Dimensions selon norme : largeur ~1.4×Ø cordon, profondeur ~0.7×Ø cordon
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module _seal_groove(size) {
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w = FACE_SEAL_GROOVE_W;
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d = FACE_SEAL_GROOVE_D;
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offset = size/2 - w - 1;
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inset = 3; // Retrait depuis le bord extérieur
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linear_extrude(d + 0.1)
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difference() {
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cube([size - 2, size - 2, d], center=true);
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cube([size - 2 - 2*w, size - 2 - 2*w, d + 1], center=true);
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// Contour extérieur de la gorge (suit l'arrondi des coins)
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offset(r=CORNER_RADIUS - inset)
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offset(delta=-(CORNER_RADIUS - inset))
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square([size - 2*inset, size - 2*inset], center=true);
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// Contour intérieur de la gorge
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offset(r=max(0.5, CORNER_RADIUS - inset - w))
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offset(delta=-max(0.5, CORNER_RADIUS - inset - w))
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square([size - 2*inset - 2*w, size - 2*inset - 2*w], center=true);
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}
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}
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@ -20,13 +20,16 @@ FRAME_MOUNT_DIAM = 3.2; // Diamètre des trous de fixation M3
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FRAME_MOUNT_HEAD = 5.8; // Diamètre de la tête de vis M3
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FRAME_MOUNT_DEPTH = 3; // Profondeur du lamage tête de vis
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FRAME_SCREWS_PER_FACE = 4; // Nombre de vis par face
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FRAME_LEDGE_WIDTH = 5; // Largeur corniche de contact (face ↔ squelette)
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FRAME_LEDGE_HEIGHT = 3; // Épaisseur de la corniche plate
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// --- Faces ------------------------------------------------------------------
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FACE_TOTAL_DEPTH = 14; // Profondeur totale d'un module face (du bord ext.)
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FACE_CENTER_DIAM = 40; // Diamètre de la zone tactile centrale
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FACE_MEMBRANE_T = 1.0; // Épaisseur de la membrane tactile (centre)
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FACE_SEAL_GROOVE_W = 1.5; // Largeur de la rainure joint torique
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FACE_SEAL_GROOVE_D = 1.5; // Profondeur de la rainure joint torique
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SEAL_CORD_DIAM = 2.0; // Diamètre du cordon torique (joint O-ring)
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FACE_SEAL_GROOVE_W = 2.8; // Largeur rainure = ~1.4 × cordon
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FACE_SEAL_GROOVE_D = 1.4; // Profondeur rainure = ~0.7 × cordon
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// --- LEDs (PCB Anneau — Étage B) --------------------------------------------
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LED_COUNT = 12; // Nombre de WS2812B par face
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