tier-2-hex-bolt / gpt-5-2025-08-07
7 run / 累計 176.9s / 累計 $0.1290
openai gpt 5 2025-08-07 bare prompt
OpenSCAD で、規格に準じた M8 サイズの六角ボルトを作ってください。
ねじ山自体は省略してよく、円柱のシャンクで構いません。
寸法は以下に従ってください:
- 頭部は六角柱で、対辺距離(across-flats)13mm、高さ 5.3mm
- シャンク(軸部)は直径 8mm、長さ 30mm の円柱
- ボルト全体の中心軸は +Z 軸方向
- 頭部の底面が原点(z=0)に来るように配置し、シャンクは z<0 側へ伸ばす
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。
variant: effort
18.3s
· 200/938t · $0.0096
SCAD (17 lines)
// Parameters
af = 13; // across-flats for hex head (mm)
head_h = 5.3; // head height (mm)
shank_d = 8; // shank diameter (mm)
shank_h = 30; // shank length (mm)
// Derived
head_d_corners = af * 2 / sqrt(3); // diameter across corners for hex
union() {
// Hex head: base at z=0, extends to +Z
cylinder(h = head_h, d = head_d_corners, $fn = 6);
// Shank: extends from z=-shank_h to z=0
translate([0,0,-shank_h])
cylinder(h = shank_h, d = shank_d, $fn = 128);
}
medium (default) success → 
19.0s
· 200/1548t · $0.0157
SCAD (25 lines)
// Parameters
af = 13; // across-flats for hex head (mm)
head_h = 5.3; // head height (mm)
shank_d = 8; // shank diameter (mm)
shank_len = 30; // shank length (mm)
// Derived
head_r = af / sqrt(3); // circumradius for hex to achieve given across-flats
// Hex head (base at z=0, extends to +Z)
module hex_head(h, r) {
cylinder(h=h, r=r, $fn=6);
}
// Shank (extends from z=0 down to -Z)
module shank(len, d) {
translate([0,0,-len])
cylinder(h=len, r=d/2, $fn=96);
}
// Assemble
union() {
hex_head(head_h, head_r);
shank(shank_len, shank_d);
}
42.1s
· 200/3743t · $0.0377
SCAD (25 lines)
// M8 Hex Bolt (simplified, no threads)
// Units: mm
across_flats = 13; // Head across-flats
head_height = 5.3; // Head height
shank_diam = 8; // Shank diameter
shank_len = 30; // Shank length
function circ_d_from_af(af) = 2 * af / sqrt(3);
module hex_head(af, h) {
// Hex head: bottom at z=0, top at z=h
cylinder(d = circ_d_from_af(af), h = h, $fn = 6);
}
module shank(d, len) {
// Shank: extends from z=-len to z=0
translate([0, 0, -len])
cylinder(d = d, h = len, $fn = 96);
}
union() {
hex_head(across_flats, head_height);
shank(shank_diam, shank_len);
}
—
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iteration: iter-png
44.0s
· 1130/2351t · $0.0249
diff vs bare: +0/-0
// Parameters
af = 13; // across-flats for hex head (mm)
head_h = 5.3; // head height (mm)
shank_d = 8; // shank diameter (mm)
shank_len = 30; // shank length (mm)
// Derived
head_r = af / sqrt(3); // circumradius for hex to achieve given across-flats
// Hex head (base at z=0, extends to +Z)
module hex_head(h, r) {
cylinder(h=h, r=r, $fn=6);
}
// Shank (extends from z=0 down to -Z)
module shank(len, d) {
translate([0,0,-len])
cylinder(h=len, r=d/2, $fn=96);
}
// Assemble
union() {
hex_head(head_h, head_r);
shank(shank_len, shank_d);
}
SCAD (25 lines)
// Parameters
af = 13; // across-flats for hex head (mm)
head_h = 5.3; // head height (mm)
shank_d = 8; // shank diameter (mm)
shank_len = 30; // shank length (mm)
// Derived
head_r = af / sqrt(3); // circumradius for hex to achieve given across-flats
// Hex head (base at z=0, extends to +Z)
module hex_head(h, r) {
cylinder(h=h, r=r, $fn=6);
}
// Shank (extends from z=0 down to -Z)
module shank(len, d) {
translate([0,0,-len])
cylinder(h=len, r=d/2, $fn=96);
}
// Assemble
union() {
hex_head(head_h, head_r);
shank(shank_len, shank_d);
}
17.2s
· 1130/1126t · $0.0127
diff vs i1: +0/-0
// Parameters
af = 13; // across-flats for hex head (mm)
head_h = 5.3; // head height (mm)
shank_d = 8; // shank diameter (mm)
shank_len = 30; // shank length (mm)
// Derived
head_r = af / sqrt(3); // circumradius for hex to achieve given across-flats
// Hex head (base at z=0, extends to +Z)
module hex_head(h, r) {
cylinder(h=h, r=r, $fn=6);
}
// Shank (extends from z=0 down to -Z)
module shank(len, d) {
translate([0,0,-len])
cylinder(h=len, r=d/2, $fn=96);
}
// Assemble
union() {
hex_head(head_h, head_r);
shank(shank_len, shank_d);
}
SCAD (25 lines)
// Parameters
af = 13; // across-flats for hex head (mm)
head_h = 5.3; // head height (mm)
shank_d = 8; // shank diameter (mm)
shank_len = 30; // shank length (mm)
// Derived
head_r = af / sqrt(3); // circumradius for hex to achieve given across-flats
// Hex head (base at z=0, extends to +Z)
module hex_head(h, r) {
cylinder(h=h, r=r, $fn=6);
}
// Shank (extends from z=0 down to -Z)
module shank(len, d) {
translate([0,0,-len])
cylinder(h=len, r=d/2, $fn=96);
}
// Assemble
union() {
hex_head(head_h, head_r);
shank(shank_len, shank_d);
}
17.3s
· 1130/1122t · $0.0126
diff vs i2: +0/-0
// Parameters
af = 13; // across-flats for hex head (mm)
head_h = 5.3; // head height (mm)
shank_d = 8; // shank diameter (mm)
shank_len = 30; // shank length (mm)
// Derived
head_r = af / sqrt(3); // circumradius for hex to achieve given across-flats
// Hex head (base at z=0, extends to +Z)
module hex_head(h, r) {
cylinder(h=h, r=r, $fn=6);
}
// Shank (extends from z=0 down to -Z)
module shank(len, d) {
translate([0,0,-len])
cylinder(h=len, r=d/2, $fn=96);
}
// Assemble
union() {
hex_head(head_h, head_r);
shank(shank_len, shank_d);
}
SCAD (25 lines)
// Parameters
af = 13; // across-flats for hex head (mm)
head_h = 5.3; // head height (mm)
shank_d = 8; // shank diameter (mm)
shank_len = 30; // shank length (mm)
// Derived
head_r = af / sqrt(3); // circumradius for hex to achieve given across-flats
// Hex head (base at z=0, extends to +Z)
module hex_head(h, r) {
cylinder(h=h, r=r, $fn=6);
}
// Shank (extends from z=0 down to -Z)
module shank(len, d) {
translate([0,0,-len])
cylinder(h=len, r=d/2, $fn=96);
}
// Assemble
union() {
hex_head(head_h, head_r);
shank(shank_len, shank_d);
}