43 lines
1.3 KiB
OpenSCAD
43 lines
1.3 KiB
OpenSCAD
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PCB_SIZE_X=50;
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PCB_SIZE_Y=70;
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PCB_DITCH_Z=2;
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THICKNESS=5;
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PIN_DIAMETER=2;
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PIN_HEIGHT=5;
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PIN_SPACING_X=2;
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PIN_SPACING_Y=2;
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FRAME_ROD_DIAMETER=6; // M6
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FRAME_ROD_DISTANCE=25;
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TOLERANCE=0.5;
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$fn = 36;
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// the frame
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difference() {
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cube([PCB_SIZE_X, PCB_SIZE_Y, THICKNESS]);
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translate([THICKNESS, THICKNESS, THICKNESS - PCB_DITCH_Z])
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cube([PCB_SIZE_X - THICKNESS*2, PCB_SIZE_Y - THICKNESS*2, PCB_DITCH_Z]);
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}
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// PCB holder pins
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translate([0, 0, THICKNESS]) {
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translate([PIN_SPACING_X, PIN_SPACING_Y])
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cylinder(d=PIN_DIAMETER - TOLERANCE, h=PIN_HEIGHT);
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translate([PCB_SIZE_X - PIN_SPACING_X, PIN_SPACING_Y])
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cylinder(d=PIN_DIAMETER - TOLERANCE, h=PIN_HEIGHT);
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translate([PIN_SPACING_X, PCB_SIZE_Y - PIN_SPACING_Y])
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cylinder(d=PIN_DIAMETER - TOLERANCE, h=PIN_HEIGHT);
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translate([PCB_SIZE_X - PIN_SPACING_X, PCB_SIZE_Y - PIN_SPACING_Y])
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cylinder(d=PIN_DIAMETER - TOLERANCE, h=PIN_HEIGHT);
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}
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// frame connector
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translate([PCB_SIZE_X, PCB_SIZE_Y/2 - THICKNESS/2])
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cube([FRAME_ROD_DISTANCE + THICKNESS, THICKNESS, THICKNESS]);
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translate([PCB_SIZE_X + FRAME_ROD_DISTANCE + FRAME_ROD_DIAMETER/2 + THICKNESS + TOLERANCE, PCB_SIZE_Y/2])
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difference() {
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cylinder(d=FRAME_ROD_DIAMETER + TOLERANCE + THICKNESS*2, h=THICKNESS);
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cylinder(d=FRAME_ROD_DIAMETER + TOLERANCE, h=THICKNESS);
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}
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