tier-2-hex-bolt / o3-2025-04-16
7 run / 累計 106.5s / 累計 $0.0679
openai o3 2025-04-16 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
21.1s
· 200/856t · $0.0072
SCAD (20 lines)
// M8 hex bolt (thread omitted)
// parameters
across_flats = 13; // head across-flats (mm)
head_height = 5.3; // head thickness (mm)
shank_diameter = 8; // shank diameter (mm)
shank_length = 30; // shank length (mm)
// derived
head_radius = across_flats / sqrt(3); // circumscribed radius of hex
shank_radius = shank_diameter / 2;
union() {
// hexagonal head (z = 0 … +head_height)
cylinder(h = head_height, r = head_radius, $fn = 6);
// cylindrical shank (z = 0 … -shank_length)
translate([0, 0, -shank_length])
cylinder(h = shank_length, r = shank_radius, $fn = 64);
}
medium (default) success →
17.0s
· 200/1343t · $0.0111
SCAD (24 lines)
// M8 Hex Bolt (threadless)
// Parameters
across_flats = 13; // distance across flats of hex head [mm]
head_height = 5.3; // height of hex head [mm]
shank_dia = 8; // shank diameter [mm]
shank_len = 30; // shank length [mm]
// Derived value
head_radius = across_flats / (2 * cos(30)); // circumscribed radius for hexagon
union() {
// Hexagonal head: bottom at z = 0, extending in +Z
rotate([0,0,30]) // align a flat horizontally (optional)
cylinder(h = head_height,
r = head_radius,
$fn = 6);
// Cylindrical shank: starts at z = 0, extends in –Z
translate([0,0,-shank_len])
cylinder(h = shank_len,
r = shank_dia / 2,
$fn = 64);
}
23.8s
· 200/1916t · $0.0157
SCAD (17 lines)
// M8 hex bolt (simplified, no threads)
af = 13; // across-flats of hex head [mm]
head_height = 5.3; // head height [mm]
shank_d = 8; // shank diameter [mm]
shank_length = 30; // shank length [mm]
hex_r = af / sqrt(3); // circumradius for the hex head
union() {
// Hexagonal head (extends in +Z)
cylinder(h = head_height, r = hex_r, $fn = 6);
// Cylindrical shank (extends in –Z)
translate([0, 0, -shank_length])
cylinder(h = shank_length, d = shank_d, $fn = 64);
}
—
—
iteration: iter-png
5.6s
· 1203/526t · $0.0066
diff vs bare: +0/-0
// M8 Hex Bolt (threadless)
// Parameters
across_flats = 13; // distance across flats of hex head [mm]
head_height = 5.3; // height of hex head [mm]
shank_dia = 8; // shank diameter [mm]
shank_len = 30; // shank length [mm]
// Derived value
head_radius = across_flats / (2 * cos(30)); // circumscribed radius for hexagon
union() {
// Hexagonal head: bottom at z = 0, extending in +Z
rotate([0,0,30]) // align a flat horizontally (optional)
cylinder(h = head_height,
r = head_radius,
$fn = 6);
// Cylindrical shank: starts at z = 0, extends in –Z
translate([0,0,-shank_len])
cylinder(h = shank_len,
r = shank_dia / 2,
$fn = 64);
}
SCAD (24 lines)
// M8 Hex Bolt (threadless)
// Parameters
across_flats = 13; // distance across flats of hex head [mm]
head_height = 5.3; // height of hex head [mm]
shank_dia = 8; // shank diameter [mm]
shank_len = 30; // shank length [mm]
// Derived value
head_radius = across_flats / (2 * cos(30)); // circumscribed radius for hexagon
union() {
// Hexagonal head: bottom at z = 0, extending in +Z
rotate([0,0,30]) // align a flat horizontally (optional)
cylinder(h = head_height,
r = head_radius,
$fn = 6);
// Cylindrical shank: starts at z = 0, extends in –Z
translate([0,0,-shank_len])
cylinder(h = shank_len,
r = shank_dia / 2,
$fn = 64);
}
8.3s
· 1203/475t · $0.0062
diff vs i1: +0/-0
// M8 Hex Bolt (threadless)
// Parameters
across_flats = 13; // distance across flats of hex head [mm]
head_height = 5.3; // height of hex head [mm]
shank_dia = 8; // shank diameter [mm]
shank_len = 30; // shank length [mm]
// Derived value
head_radius = across_flats / (2 * cos(30)); // circumscribed radius for hexagon
union() {
// Hexagonal head: bottom at z = 0, extending in +Z
rotate([0,0,30]) // align a flat horizontally (optional)
cylinder(h = head_height,
r = head_radius,
$fn = 6);
// Cylindrical shank: starts at z = 0, extends in –Z
translate([0,0,-shank_len])
cylinder(h = shank_len,
r = shank_dia / 2,
$fn = 64);
}
SCAD (24 lines)
// M8 Hex Bolt (threadless)
// Parameters
across_flats = 13; // distance across flats of hex head [mm]
head_height = 5.3; // height of hex head [mm]
shank_dia = 8; // shank diameter [mm]
shank_len = 30; // shank length [mm]
// Derived value
head_radius = across_flats / (2 * cos(30)); // circumscribed radius for hexagon
union() {
// Hexagonal head: bottom at z = 0, extending in +Z
rotate([0,0,30]) // align a flat horizontally (optional)
cylinder(h = head_height,
r = head_radius,
$fn = 6);
// Cylindrical shank: starts at z = 0, extends in –Z
translate([0,0,-shank_len])
cylinder(h = shank_len,
r = shank_dia / 2,
$fn = 64);
}
13.5s
· 1203/928t · $0.0098
diff vs i2: +0/-0
// M8 Hex Bolt (threadless)
// Parameters
across_flats = 13; // distance across flats of hex head [mm]
head_height = 5.3; // height of hex head [mm]
shank_dia = 8; // shank diameter [mm]
shank_len = 30; // shank length [mm]
// Derived value
head_radius = across_flats / (2 * cos(30)); // circumscribed radius for hexagon
union() {
// Hexagonal head: bottom at z = 0, extending in +Z
rotate([0,0,30]) // align a flat horizontally (optional)
cylinder(h = head_height,
r = head_radius,
$fn = 6);
// Cylindrical shank: starts at z = 0, extends in –Z
translate([0,0,-shank_len])
cylinder(h = shank_len,
r = shank_dia / 2,
$fn = 64);
}
SCAD (24 lines)
// M8 Hex Bolt (threadless)
// Parameters
across_flats = 13; // distance across flats of hex head [mm]
head_height = 5.3; // height of hex head [mm]
shank_dia = 8; // shank diameter [mm]
shank_len = 30; // shank length [mm]
// Derived value
head_radius = across_flats / (2 * cos(30)); // circumscribed radius for hexagon
union() {
// Hexagonal head: bottom at z = 0, extending in +Z
rotate([0,0,30]) // align a flat horizontally (optional)
cylinder(h = head_height,
r = head_radius,
$fn = 6);
// Cylindrical shank: starts at z = 0, extends in –Z
translate([0,0,-shank_len])
cylinder(h = shank_len,
r = shank_dia / 2,
$fn = 64);
}