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@@ -4,37 +4,48 @@ include <MCAD/units.scad>;
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include <truncated_teardrop.scad>;
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+sink_0_1 = [26*mm, 49*mm, 18*mm, 4*mm, 10*mm];
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+sink_0_2 = [26*mm, 48*mm, 18*mm, 4*mm, 10*mm];
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+sink_0_3 = [25*mm, 30*mm, 17*mm, 4*mm, 10*mm];
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+
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+function sink_width(board) = board[0];
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+function sink_length(board) = board[1];
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+function sink_screw_spacing(board) = board[2];
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+function sink_screw_distance(board) = board[3];
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+function sink_connector_cutout(board) = board[4];
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+
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+
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/*
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* A general-purpose mount for the PD Buddy Sink
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*/
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module sink_mount(layer_thickness=0.25*mm, height=8*mm, nut_depth=4*mm,
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- cutout=0.5*mm, bolt_tolerance=0.3*mm, nut_tolerance=0.05*mm) {
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- /* Width of the PD Buddy Sink */
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- sink_width = 26*mm;
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+ cutout=0.5*mm, bolt_tolerance=0.3*mm, nut_tolerance=0.05*mm,
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+ board=sink_0_3) {
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+ w = sink_width(board);
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difference() {
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/* Body of the mount */
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- cube([8*mm, sink_width, height]);
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+ cube([8*mm, w, height]);
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/* Bolt hole bottom height. Leave one layer_thickness as a bridge. */
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bhbot = nut_depth + layer_thickness;
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/* Bolt holes */
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- translate([4*mm, 4*mm, bhbot])
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+ translate([4*mm, (w - sink_screw_spacing(board))/2, bhbot])
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polyhole(d=3*mm + bolt_tolerance, h=height - bhbot + epsilon);
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- translate([4*mm, sink_width-4*mm, bhbot])
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+ translate([4*mm, (w + sink_screw_spacing(board))/2, bhbot])
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polyhole(d=3*mm + bolt_tolerance, h=height - bhbot + epsilon);
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/* Nut holes */
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- translate([4*mm, 4*mm, -epsilon])
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+ translate([4*mm, (w - sink_screw_spacing(board))/2, -epsilon])
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rotate([0, 0, 30])
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cylinder(r=6.4*mm / 2 + nut_tolerance, h=nut_depth + epsilon, $fn=6);
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- translate([4*mm, sink_width - 4*mm, -epsilon])
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+ translate([4*mm, (w + sink_screw_spacing(board))/2, -epsilon])
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rotate([0, 0, 30])
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cylinder(r=6.4*mm / 2 + nut_tolerance, h=nut_depth + epsilon, $fn=6);
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/* Small cutout to clear any solder bulges under the USB connector */
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- translate([-epsilon, 8*mm, height - cutout])
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- cube([8*mm + 2*epsilon, sink_width - 2*8*mm, cutout + epsilon]);
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+ translate([-epsilon, (w - sink_connector_cutout(board))/2, height - cutout])
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+ cube([8*mm + 2*epsilon, sink_connector_cutout(board), cutout + epsilon]);
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}
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}
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@@ -42,10 +53,11 @@ module sink_mount(layer_thickness=0.25*mm, height=8*mm, nut_depth=4*mm,
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* A bracket for mounting the PD Buddy Sink on a panel
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*/
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module sink_bracket(layer_thickness=0.25*mm, height=8*mm, nut_depth=4*mm,
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- cutout=0.5*mm, bolt_tolerance=0.3*mm, nut_tolerance=0.05*mm) {
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- sink_width = 26*mm;
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+ cutout=0.5*mm, bolt_tolerance=0.3*mm, nut_tolerance=0.05*mm,
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+ board=sink_0_3) {
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+ w = sink_width(board);
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halfend_width = 8*mm;
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- bracket_width = sink_width + 2*halfend_width;
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+ bracket_width = w + 2*halfend_width;
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mount_distance = 5*mm;
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@@ -57,9 +69,10 @@ module sink_bracket(layer_thickness=0.25*mm, height=8*mm, nut_depth=4*mm,
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sink_mount(layer_thickness=layer_thickness, height=height,
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nut_depth=nut_depth, cutout=cutout,
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bolt_tolerance=bolt_tolerance,
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- nut_tolerance=nut_tolerance);
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+ nut_tolerance=nut_tolerance,
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+ board=board);
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- translate([0, halfend_width + sink_width, 0])
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+ translate([0, halfend_width + w, 0])
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cube([8*mm, halfend_width, height]);
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}
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