Mechanical Linkage Bracket

// ========================================== // Mechanical Bracket / Linkage CAD Model // Thickness: 6 mm | Overall Span: ~50 mm // ========================================== $fn = 100; // High smoothness for circles and curves thickness = 6; // Depth / thickness in mm module bracket_2d() { difference() { // --- OUTER PROFILE (Main Body & Lobes) --- union() { // Hull connecting the three main pivot/mounting lobes hull() { translate([10, 36]) circle(r = 6.5); // Top lobe translate([5, 11]) circle(r = 7.0); // Bottom-left lobe translate([38, 16]) circle(r = 7.5); // Right lobe } // Central web reinforcement hull() { translate([10, 36]) circle(r = 6.5); translate([38, 16]) circle(r = 7.5); translate([22, 22]) circle(r = 5.0); } } // --- MOUNTING / PIVOT HOLES --- // Top hole translate([10, 36]) circle(r = 2.5); // Bottom-left hole translate([5, 11]) circle(r = 2.5); // Right hole translate([38, 16]) circle(r = 2.5); // --- CURVED ADJUSTMENT SLOT --- hull() { translate([21, 25]) circle(r = 1.75); translate([29, 21]) circle(r = 1.75); } } } // --- 3D EXTRUSION --- linear_extrude(height = thickness) { bracket_2d(); }

Parameters

Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.