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122 lines
3.1 KiB
122 lines
3.1 KiB
8 years ago
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// Case dimensions
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case_x=22.42; // Case X dimension
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case_y=10.16; // Case Y dimension
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case_z=1.2; // Case Z dimension
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dot_radius=0.3; // Notch radius
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dot_depth=0.1; // Notch depth
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dot_off_x=0.5; // Notch offset X
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dot_off_y=0.5; // Notch offset Y
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color_case=[0.15,0.15,0.15]; // dark gray
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color_dot=[1,1,1]; // white
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// Pin arrays parameters
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side1_pins = 27;
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side2_pins = 0;
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side3_pins = 27;
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side4_pins = 0;
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pin_distance =0.808; // Pin step
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color_pin=[1,1,1]; // white
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// Pin parameters
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pin_th = 0.15; // Thickness
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pin_W = 0.375; // Pin width
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pin_L = 0.8; // Total Length
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pin_H = case_z/2+pin_th/2; // Pin height (from bottom to top)
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pin_l = 0.4; // Length of the bottom part
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pin_a = 115; // Bending angle
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translate_to_center=[-(side1_pins-1)*pin_distance/2,-(case_y+pin_L*2)/2,0];
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// Bended pin
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// _L - whole pin length
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// _l - length of bottom part
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// _H - whole pin height
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// _th - pin thickness
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// _a - bending angle
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// _W - pin width
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module pin(_L,_l,_H,_th,_a,_W)
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{
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// Internal variables
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_d1 = _th*sin(_a) / (1-cos(_a));
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_d2 = (_th-_H)*cos(_a) / sin(_a);
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rotate([90,0,90])
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// Extrude the following polygon
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linear_extrude(height = _W, center = true, convexity = 10, twist = 0)
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polygon([[0,0],
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[_l,0],
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[_l+_d2,_H-_th],
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[_L,_H-_th],
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[_L,_H],
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[_l+_d2-_d1,_H],
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[_l-_d1,_th],
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[0,_th]]);
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}
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// Array of pins
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// _cnt - number of pins
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// _distance - distance between pin centres
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module pins_array(_cnt, _distance)
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{
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if (_cnt>0)
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color(color_pin)
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{
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for (_i = [0:_cnt-1])
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{
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translate([_distance*_i,0,0])
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pin(pin_L,pin_l,pin_H,pin_th,pin_a,pin_W);
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}
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}
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}
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// Simple case with notch
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module case()
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{
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difference()
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{
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translate([case_x/2,case_y/2,case_z/2])
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color(color_case)
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cube([case_x,case_y,case_z],center=true);
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translate([dot_radius+dot_off_x,dot_radius+dot_off_y,case_z])
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color(color_dot)
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cylinder(h=dot_depth*2, r = dot_radius, center= true, $fn = 10);
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}
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}
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// Complete model
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// scale(1/2.54) // 1/2.54=0.3937 scale for Kicad
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module ic()
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{
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// Case
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translate([-(case_x-(side1_pins-1)*pin_distance)/2,pin_L,0]+translate_to_center)
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case();
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translate(translate_to_center)
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union()
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{
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// Top pins
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translate([(side1_pins-side3_pins)*pin_distance/2,case_y+pin_L*2,0])
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mirror([0,1,0])
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pins_array(side3_pins, pin_distance);
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// Bottom pins
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pins_array(side1_pins, pin_distance);
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// Left pins
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translate([-(case_x-(side1_pins-1)*pin_distance)/2 - pin_L,pin_L+case_y/2-(side4_pins-1)*pin_distance/2,0])
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mirror([1,0,0])
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rotate([0,0,90])
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pins_array(side4_pins, pin_distance);
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// Right pins
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translate([-(case_x-(side1_pins-1)*pin_distance)/2-pin_L+case_x+2*pin_L,pin_L+case_y/2-(side2_pins-1)*pin_distance/2,0])
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mirror([0,1,0])
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mirror([0,1,0])
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rotate([0,0,90])
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pins_array(side2_pins, pin_distance);
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}
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}
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ic();
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