function DoveClipPairSane_width(count=2) =
2 * (nomrad + jawthick + ((nomrad*2 + jawthick) * (count-1)/2));
-module DoveClipExtender(length, ha=7, hb=7, counta=2, countb=2,
- pillarw=3.5, pillarslope=0.75, webthick=1) {
- mirror([1,0,0])
- DoveClipPairSane(h=ha, count=counta);
- translate([length,0,0])
- DoveClipPairSane(h=hb, count=countb);
- pillarlen = length - DoveClip_depth() * 2 + 2;
- pilesw = min(DoveClipPairSane_width(counta), DoveClipPairSane_width(countb))
- - 0.5 - pillarw*2;
- pilesh = min(ha, hb) - 0.5;
+module ExtenderPillars(length, width, height,
+ pillarw=3.5, pillarslope=0.75, webthick=1) {
+ pillarr=pillarw/2;
+
d = 0.25;
- echo(pilesh);
intangle = atan(pillarslope);
- polyjx = sin(intangle)*pillarw;
- polyjy = cos(intangle)*pillarw;
- polyex = -tan(intangle+90)*pillarw;
- webmidy = pilesh/2+d;
+ polyjx = sin(intangle)*pillarr;
+ polyjy = cos(intangle)*pillarr;
+ polyex = -tan(intangle+90)*pillarr;
+ webmidy = height/2+d;
translate([DoveClip_depth() - 1, 0, 0]) {
- for (ymir=[0,1]) mirror([0,ymir,0]) translate([0,-pilesw/2,0]) {
+ for (ymir=[0,1]) mirror([0,ymir,0]) translate([0,-width/2,0]) {
for (xmir=[0,1])
- translate([0,0,pilesh/2]) mirror([0,0,xmir])
- translate([0,0,-pilesh/2]) {
+ translate([0,0,height/2]) mirror([0,0,xmir])
+ translate([0,0,-height/2]) {
intersection() {
- translate([-1, -pillarw-5, 0.01])
- cube([pillarlen+2, pilesh+pillarw*2+10, pilesw]);
+ translate([-1, -pillarr-5, 0.01])
+ cube([length+2, height+pillarr*2+10, width]);
mirror([1,0,0]) rotate([0,-90,0])
- linear_extrude(height=pillarlen) union(){
- circle(r=pillarw, $fn=20);
+ linear_extrude(height=length) union(){
+ circle(r=pillarr, $fn=20);
polygon([[polyjx,polyjy-0.1], [polyex, 0],
[polyjx,-(polyjy-0.1)]]);
- //polygon([[pilesh,0], [pilesh-pillarh,0], [pilesh,pillarw]]);
polygon([[0,-webthick/2], [0,webthick/2],
[webmidy,webthick/2], [webmidy,-webthick/2]]);
}
}
}
+module DoveClipExtender(length, ha=7, hb=7, counta=2, countb=2,
+ pillarw=3.5, pillarslope=0.75, webthick=1) {
+
+ mirror([1,0,0])
+ DoveClipPairSane(h=ha, count=counta);
+ translate([length,0,0])
+ DoveClipPairSane(h=hb, count=countb);
+ pillarlen = length - DoveClip_depth() * 2 + 2;
+
+ pilesw = min(DoveClipPairSane_width(counta), DoveClipPairSane_width(countb))
+ - 0.5 - pillarw;
+ pilesh = min(ha, hb) - 0.5;
+
+ echo(pilesh);
+
+ ExtenderPillars(pillarlen, pilesw, pilesh,
+ pillarw=pillarw, pillarslope=pillarslope, webthick=webthick);
+}
+
//DoveClipExtender(length=100, ha=16, hb=20, counta=3, countb=4);