122 lines
2.8 KiB
OpenSCAD
122 lines
2.8 KiB
OpenSCAD
include <../helper/math.scad>
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include <../helper/common.scad>
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include <../helper/magnet.scad>
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include <../helper/screws.scad>
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include <./config.scad>
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connectorRectWidth = 10;
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connectorRectDepth = 10;
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connectorTotalHeight = 10;
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connectorSocketMagnetExtrudeHeight = 1;
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connectorTaperStartHeight = 3;
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connectorTopR = 3;
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connectorRectPlugSlack = -0.2;
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connectorRectSocketSlack = 0.2;
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connectorBottomToScrew = 6;
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*stackConnectorBottom();
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module stackConnectorBase(rectSlack, topSlack=0.0) {
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wSlacked = connectorRectWidth + rectSlack;
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dSlacked = connectorRectDepth + rectSlack;
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topRSlacked = connectorTopR + rectSlack/2;
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module connRect() {
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linear_extrude(height=eps)
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square(size = [wSlacked, dSlacked]);
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}
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module connTop() {
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linear_extrude(height=eps)
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circle(r=topRSlacked);
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}
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hull() {
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connRect();
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translate(v=[0,0,connectorTaperStartHeight])
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connRect();
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}
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hull() {
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translate(v = [0, 0, connectorTaperStartHeight])
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connRect();
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translate(v=[wSlacked/2, dSlacked/2, connectorTotalHeight+topSlack])
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connTop();
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}
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}
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module stackConnectorSocket_N() {
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wSlacked = connectorRectWidth + connectorRectSocketSlack;
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dSlacked = connectorRectDepth + connectorRectSocketSlack;
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bevelSlack = 0.6;
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bevelR = wSlacked + bevelSlack;
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bevelW = dSlacked + bevelSlack;
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bevelH = 0.6;
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screwExtension = 4;
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union() {
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stackConnectorBase(connectorRectSocketSlack, topSlack=0.4);
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translate(v = [-screwExtension, connectorRectDepth/2, connectorBottomToScrew])
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rotate(a = [0, -90, 0])
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counterSunkHead_N(rackFrameScrewType, screwExtension = 5, headExtension = 10);
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// bevel at the lip of the socket to guide the plug, as well as mitigate elephant foot during 3d printing
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hull() {
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translate(v = [0, 0, bevelH])
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linear_extrude(height = eps)
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square(size = [wSlacked, dSlacked]);
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translate(v = [-bevelSlack/2, -bevelSlack/2, 0])
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linear_extrude(height = eps)
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square(size = [bevelR, bevelW]);
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}
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}
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}
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module stackConnectorPlug() {
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difference() {
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stackConnectorBase(connectorRectPlugSlack);
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translate(v=[connectorRectWidth/2,connectorRectDepth/2,connectorBottomToScrew])
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rotate(a=[0,0,90])
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rotate(a=[90,0,0])
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hexNutPocket_N(rackFrameScrewType, openSide=false);
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}
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}
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module stackConnectorDual() {
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space = 0.5; // extra space inbetween
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translate(v=[0,0,space])
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stackConnectorPlug();
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mirror(v=[0,0,1])
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stackConnectorPlug();
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cube(size=[connectorRectWidth+connectorRectPlugSlack, connectorRectDepth+connectorRectPlugSlack, space]);
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}
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module stackConnectorBottom() {
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height = 2; // space between bottom and floor
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stackConnectorPlug();
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translate(v=[0,0,-height])
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cube(size=[connectorRectWidth+connectorRectPlugSlack, connectorRectDepth+connectorRectPlugSlack, height]);
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} |