bare-think-off/gemini-2.5-flash-lite / tier-2-l-bracket
success tier 2
bare (gemini 2.5 flash-lite)
render
// L-bracket dimensions
width = 50;
depth = 40;
height = 40;
thickness = 3;
// Hole dimensions
hole_diameter = 4.5;
countersink_diameter = 8;
countersink_depth = 2;
hole_offset_from_edge = 10;
hole_spacing_factor = 0.5; // For spacing holes symmetrically on each flange
module l_bracket() {
// Base flange (horizontal)
cube([width, depth, thickness]);
// Vertical flange
translate([0, 0, thickness])
cube([width, thickness, height]);
}
module countersink_hole(hole_pos_x, hole_pos_y, hole_pos_z, normal_vector) {
translate(hole_pos_x) {
// Main hole
cylinder(h = thickness * 2, r = hole_diameter / 2, center = true);
// Countersink
linear_extrude(height = countersink_depth, convexity = 10) {
difference() {
circle(r = countersink_diameter / 2);
circle(r = hole_diameter / 2);
}
}
}
}
module create_holes() {
// Holes on the horizontal flange (facing +Z)
// Position them on the center line of the width, and offset from the edges of depth
hole_y_offset = depth / 2 - hole_offset_from_edge;
hole_center_x = width / 2;
hole_spacing_y = depth * hole_spacing_factor;
// Left hole on horizontal flange
translate([hole_center_x, hole_y_offset - hole_spacing_y/2, thickness])
rotate([90, 0, 0]) // Rotate to face upwards
cylinder(h = thickness * 2, r = countersink_diameter / 2, center = true);
// Right hole on horizontal flange
translate([hole_center_x, hole_y_offset + hole_spacing_y/2, thickness])
rotate([90, 0, 0]) // Rotate to face upwards
cylinder(h = thickness * 2, r = countersink_diameter / 2, center = true);
// Holes on the vertical flange (facing +Y)
// Position them on the center line of the width, and offset from the edges of height
hole_z_offset = height / 2 - hole_offset_from_edge;
hole_spacing_z = height * hole_spacing_factor;
// Left hole on vertical flange
translate([hole_center_x, thickness, thickness + hole_z_offset - hole_spacing_z/2])
rotate([0, 90, 0]) // Rotate to face outwards
cylinder(h = width * 2, r = countersink_diameter / 2, center = true);
// Right hole on vertical flange
translate([hole_center_x, thickness, thickness + hole_z_offset + hole_spacing_z/2])
rotate([0, 90, 0]) // Rotate to face outwards
cylinder(h = width * 2, r = countersink_diameter / 2, center = true);
}
module l_bracket_with_holes() {
difference() {
l_bracket();
// Cut the holes
// Horizontal flange holes
translate([width/2, depth/2 - hole_offset_from_edge, thickness])
rotate([90, 0, 0])
cylinder(h = thickness + 1, r = hole_diameter/2, center = true);
translate([width/2, depth/2 + hole_offset_from_edge, thickness])
rotate([90, 0, 0])
cylinder(h = thickness + 1, r = hole_diameter/2, center = true);
// Vertical flange holes
translate([width/2, thickness, height/2 - hole_offset_from_edge])
rotate([0, 90, 0])
cylinder(h = thickness + 1, r = hole_diameter/2, center = true);
translate([width/2, thickness, height/2 + hole_offset_from_edge])
rotate([0, 90, 0])
cylinder(h = thickness + 1, r = hole_diameter/2, center = true);
// Countersink cuts on the horizontal flange
translate([width/2, depth/2 - hole_offset_from_edge, thickness])
rotate([90, 0, 0])
cylinder(h = countersink_depth + 0.1, r = countersink_diameter/2, center = true);
translate([width/2, depth/2 + hole_offset_from_edge, thickness])
rotate([90, 0, 0])
cylinder(h = countersink_depth + 0.1, r = countersink_diameter/2, center = true);
// Countersink cuts on the vertical flange
translate([width/2, thickness, height/2 - hole_offset_from_edge])
rotate([0, 90, 0])
cylinder(h = countersink_depth + 0.1, r = countersink_diameter/2, center = true);
translate([width/2, thickness, height/2 + hole_offset_from_edge])
rotate([0, 90, 0])
cylinder(h = countersink_depth + 0.1, r = countersink_diameter/2, center = true);
}
}
l_bracket_with_holes(); パラメータ (9) —
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OpenSCAD で、L 字に折れた金具(L-bracket)を作ってください。 形状: - 水平面と垂直面の 2 つのフランジが直角に繋がっている - 水平面は 50mm × 40mm(幅 × 奥行き) - 垂直面は 50mm × 40mm(幅 × 高さ) - 板厚はどちらも 3mm - 内側コーナーが原点になるように配置(水平面は +Y 方向、垂直面は +Z 方向に伸びる) 皿穴(countersunk holes): - 各面に 2 個ずつ、合計 4 個 - M4 ねじ用(貫通穴 Φ4.5mm + 皿座面 Φ8mm × 深さ 2mm) - 各面の中心線上で、面の縁から 10mm 内側、左右対称に 2 個並べる - 皿座面は外側(ボルト頭が当たる側)に向ける 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。