iter-png-1/gpt-5-mini / tier-3-butt-hinge
success tier 3
bare (gpt 5 mini)
render
// openscad
// Corrected small butt hinge (assembled, 180° open)
// - Two leaves (30 x 25 x 2 mm), pin along Y, leaves lie flat in same plane (Z)
// - Knuckles: 5 segments (each 6 mm long along Y) at Y = [-12, -6, 0, 6, 12]
// Left leaf knuckles at [-12, 0, 12], right leaf at [-6, 6]
// - Knuckle outer Ø8 mm, inner bore Ø4.6 mm
// - Pin Ø4 mm, length 32 mm (1 mm protruding each end)
// - Countersunk M3 holes (3 per leaf) at Y = [-8, 0, 8], 5 mm from outer edge
// Countersink Ø6 mm x depth 1 mm (from top surface) + through Ø3.2 mm
$fn = 64;
// Dimensions
plate_len = 30; // along Y
plate_w = 25; // along X (from hinge outward)
thickness = 2; // along Z
half_th = thickness / 2;
knuckle_seg = 6; // each segment length along Y
knuckle_positions = [-12, -6, 0, 6, 12];
left_knuckles = [-12, 0, 12];
right_knuckles = [-6, 6];
knuckle_r_out = 4; // outer radius (Ø8)
knuckle_r_in = 2.3; // inner bore radius (Ø4.6)
pin_dia = 4;
pin_r = pin_dia / 2;
pin_len = 32; // along Y
screw_hole_positions = [-8, 0, 8];
screw_countersink_diam = 6; // top diameter
screw_countersink_depth = 1;
screw_through_dia = 3.2; // through hole
screw_offset_from_outer_edge = 5; // mm inward from outer edge along X
// Main assembly: left (x<0), right (x>0), pin along Y at X=0
union() {
// Left leaf: spans X = -plate_w .. 0, Y = -plate_len/2 .. +plate_len/2, Z = -half_th .. +half_th
color("silver") left_leaf();
// Right leaf: spans X = 0 .. +plate_w
color("silver") right_leaf();
// Pin (separate part), centered at origin, axis along Y
color("gray") pin();
}
// Modules
module left_leaf() {
// Base plate
translate([-plate_w, -plate_len/2, -half_th])
union() {
cube([plate_w, plate_len, thickness]); // X: -plate_w..0
// Left knuckles (cylinders along Y), centered at X = 0
for (ypos = left_knuckles) {
// place cylinder so its centerline is at X=0 (so translate by +0 in this local coords),
// but since plate origin is at X = -plate_w, knuckle X in world = 0 => local X = plate_w
translate([plate_w, ypos + plate_len/2, 0]) // adjust Y because cube origin is at -plate_len/2
// rotate so cylinder axis is along Y: default is along Z, rotate X by 90 degrees
rotate([90, 0, 0])
cylinder(h = knuckle_seg, r = knuckle_r_out, center=true);
}
// Subtract inner bores of left knuckles (make them tubular)
// Use difference outside union by doing a subtraction block after union
}
// Subtract bores and screw holes (perform difference)
// We'll reconstruct with difference: plate+knuckles minus bores and screw holes
// Build plate+knuckles again and subtract
translate([0,0,0]) difference() {
// plate+knuckles
translate([-plate_w, -plate_len/2, -half_th]) {
union() {
cube([plate_w, plate_len, thickness]);
for (ypos = left_knuckles) {
translate([plate_w, ypos + plate_len/2, 0])
rotate([90, 0, 0])
cylinder(h = knuckle_seg, r = knuckle_r_out, center=true);
}
}
}
// subtract knuckle bores: long cylinders along Y centered at X=0 (world coords)
for (ypos = left_knuckles) {
// Bore center at X=0, Y=ypos
translate([0, ypos, -10]) // start below plates
rotate([90, 0, 0])
cylinder(h = 20 + plate_len + 40, r = knuckle_r_in, center=false);
}
// subtract screw through holes and countersinks (on outward face X = -plate_w)
for (hy = screw_hole_positions) {
hole_x = -plate_w + screw_offset_from_outer_edge;
// through hole (extend beyond plate thickness)
translate([hole_x, hy, -half_th - 1])
cylinder(h = thickness + 2, r = screw_through_dia/2, center=false);
// countersink from top surface down screw_countersink_depth
translate([hole_x, hy, half_th - screw_countersink_depth])
cylinder(h = screw_countersink_depth, r1 = screw_countersink_diam/2, r2 = screw_through_dia/2, center=false);
}
}
}
module right_leaf() {
// Base plate spanning X=0..+plate_w
translate([0, -plate_len/2, -half_th])
union() {
cube([plate_w, plate_len, thickness]); // X: 0..plate_w
// Right knuckles at world X=0 -> local X = 0
for (ypos = right_knuckles) {
translate([0, ypos + plate_len/2, 0])
rotate([90, 0, 0])
cylinder(h = knuckle_seg, r = knuckle_r_out, center=true);
}
}
// Subtract bores and screw holes
translate([0,0,0]) difference() {
translate([0, -plate_len/2, -half_th]) {
union() {
cube([plate_w, plate_len, thickness]);
for (ypos = right_knuckles) {
translate([0, ypos + plate_len/2, 0])
rotate([90, 0, 0])
cylinder(h = knuckle_seg, r = knuckle_r_out, center=true);
}
}
}
// subtract knuckle bores at world X=0
for (ypos = right_knuckles) {
translate([0, ypos, -10])
rotate([90, 0, 0])
cylinder(h = 20 + plate_len + 40, r = knuckle_r_in, center=false);
}
// screw holes on outer face X = +plate_w
for (hy = screw_hole_positions) {
hole_x = plate_w - screw_offset_from_outer_edge;
translate([hole_x, hy, -half_th - 1])
cylinder(h = thickness + 2, r = screw_through_dia/2, center=false);
translate([hole_x, hy, half_th - screw_countersink_depth])
cylinder(h = screw_countersink_depth, r1 = screw_countersink_diam/2, r2 = screw_through_dia/2, center=false);
}
}
}
module pin() {
// Pin axis along Y, center at origin. Rotate cylinder (Z->Y).
translate([0, 0, 0])
rotate([90, 0, 0])
cylinder(h = pin_len, r = pin_r, center=true);
} パラメータ (12) —
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bare/gpt-5-mini success → children (1)
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OpenSCAD で、家具用の小型バット蝶番(butt hinge)を作ってください。 3 つのパーツ(左板、右板、ピン軸)が組み合わさって動作する完成品を、 「開いた状態(180°)」で 1 つの SCAD ファイルに配置して出力します。 寸法と配置: - 板(leaf)2 枚: 30mm × 25mm × 厚さ 2mm の鉄板形状 - 縦 30mm の辺がピン軸に沿う(ヒンジ軸方向) - 横 25mm の辺が回転で開く方向に伸びる - ピン軸: 直径 4mm の円柱、長さ 32mm(両端 1mm ずつ knuckle から飛び出す) - knuckle(筒部): 縦 30mm を 5 等分(各 6mm)に区切り、左板に 3 個・右板に 2 個を 互い違いに配置(左板は外側 2 個 + 中央 1 個、右板は中間 2 個) - knuckle 外径 8mm、内径はピン軸 + 0.3mm クリアランス(= 4.6mm 穴) - 左板と右板はピン軸を共有して回転可能。180° 開いた状態で、両板の 平らな面が同一平面に来るように配置する - 各板の knuckle から離れた側に、M3 用の皿穴を 3 個ずつ (穴ピッチは板の縦方向に 8mm 間隔、皿穴は表面から見て直径 6mm × 深さ 1mm のテーパ + 直径 3.2mm の貫通穴) 座標系: - ピン軸の中心線を Y 軸に重ねる(ピン軸は +Y 方向) - 板の平らな面は Z 軸に直交し、左板が x<0 側、右板が x>0 側に伸びる(180° 開) - knuckle は X=0 を中心とし、Y 方向に 6mm ずつ並ぶ 完成したコード全体を ```openscad ... ``` のフェンスで囲んで出力してください。 コードのみで、追加の説明は不要です。