amp bracket

amp_bracket.scad

// units are in mm

// dims of amp
amp_outside_width = 150; // about 6 inches
amp_outside_height = 40;
amp_fin_depth = 10; // less than half an inch
amp_fin_thickness = 2;
amp_fin_inside_distance = 5;
amp_fin_offset_from_bottom = 1;


// desired dims of bracket
bracket_thickness = 5; // width and height
bracket_depth = 20;
bracket_screw_inside_diameter = 5;
bracket_screw_distance_from_sides = 40;

$fn=100 ;// Set resolution
// top
translate([0, 0, amp_outside_height])
    difference() {
        cube([bracket_depth, amp_outside_width + 2 * bracket_thickness, bracket_thickness]);
        // Screw 1
        translate ([bracket_depth/2, bracket_screw_distance_from_sides + bracket_screw_inside_diameter/2, -1])
            cylinder(bracket_thickness + 2, bracket_screw_inside_diameter / 2, bracket_screw_inside_diameter / 2);
        // Screw 2
        translate ([bracket_depth/2, amp_outside_width - (bracket_screw_distance_from_sides + bracket_screw_inside_diameter/2), -1])
            cylinder(bracket_thickness + 2, bracket_screw_inside_diameter / 2, bracket_screw_inside_diameter / 2);
        
        
    }
    
// side 1
cube([bracket_depth, bracket_thickness, amp_outside_height]);
// side 2
translate([0, amp_outside_width + bracket_thickness, 0])
    cube([bracket_depth, bracket_thickness, amp_outside_height]);

// fins on side 1
translate([0, bracket_thickness, 0])
    for (i = [0 :  amp_fin_inside_distance + amp_fin_thickness : amp_outside_height - amp_fin_depth - (amp_fin_inside_distance + amp_fin_thickness)])
        translate ([0, 0, i + amp_fin_offset_from_bottom]) 
            cube ([bracket_depth, amp_fin_depth, amp_fin_inside_distance]);

// fins on side 2
translate([0, bracket_thickness + amp_outside_width - amp_fin_depth, 0])
    for (i = [0 :  amp_fin_inside_distance + amp_fin_thickness : amp_outside_height - amp_fin_depth - (amp_fin_inside_distance + amp_fin_thickness)])
        translate ([0, 0, i + amp_fin_offset_from_bottom]) 
            cube ([bracket_depth, amp_fin_depth, amp_fin_inside_distance]);

amp_bracket.stl