dingfeng.wong
63 lines
1.9 KiB
OpenSCAD
63 lines
1.9 KiB
OpenSCAD
// Hexagon Module Library
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// Various hexagon creation functions for OpenSCAD
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// === M3 Nut Hexagon Parameters ===
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m3_nut_width = 5.5; // Distance across flats (M3 nut standard)
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m3_nut_height = 2.4; // Standard M3 nut thickness
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m3_nut_diameter = 6.35; // Distance across corners (calculated from width)
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// Hexagon module - creates a 2D hexagon
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// Parameters:
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// width: distance across flats (flat-to-flat width)
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// method: "circle" or "polygon" - different drawing methods
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module hexagon_2d(width, method = "circle") {
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if (method == "circle") {
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// Method 1: Using circle with 6 sides
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// The radius needed for flat-to-flat distance
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radius = width / (2 * cos(30));
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circle(r = radius, $fn = 6);
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} else {
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// Method 2: Using polygon with calculated points
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radius = width / (2 * cos(30));
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points = [
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for (i = [0:5])
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[radius * cos(i * 60), radius * sin(i * 60)]
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];
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polygon(points);
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}
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}
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// 3D Hexagon module (extruded)
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// Parameters:
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// width: distance across flats
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// height: extrusion height
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// method: "circle" or "polygon"
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module hexagon_3d(width, height, method = "circle") {
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linear_extrude(height = height)
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hexagon_2d(width, method);
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}
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// M3 Nut specific modules
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module m3_nut_2d() {
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hexagon_2d(m3_nut_width);
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}
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module m3_nut_3d() {
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hexagon_3d(m3_nut_width, m3_nut_height);
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}
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// M3 Nut with hole (complete nut)
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module m3_nut_with_hole() {
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difference() {
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hexagon_3d(m3_nut_width, m3_nut_height);
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// M3 hole (3mm diameter, slightly larger for clearance)
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translate([0, 0, -0.1])
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cylinder(h = m3_nut_height + 0.2, d = 3.2, $fn = 32);
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}
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}
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// Example usage (uncomment to test):
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//hexagon_2d(m3_nut_width);
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//translate([10, 0]) m3_nut_2d();
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//translate([0, 0, 5]) m3_nut_3d();
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//translate([10, 0, 5]) m3_nut_with_hole(); |