X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=blobdiff_plain;f=doveclip.scad;h=cbafaa0b40c36997240529f0644d00aad9cd418f;hp=d336fc5aa91633c1d482ad0e78cedb94864b73ba;hb=f9af1bf66febdda31d0c3041bee4446002140a04;hpb=549d5c13303e88b648feb009685a2a4772de50ad diff --git a/doveclip.scad b/doveclip.scad index d336fc5..cbafaa0 100644 --- a/doveclip.scad +++ b/doveclip.scad @@ -76,10 +76,9 @@ module DoveClipPairSane(baseextend=0, h=7, count=2) { function DoveClipPairSane_width(count=2) = 2 * (nomrad + jawthick + ((nomrad*2 + jawthick) * (count-1)/2)); -module ExtenderPillars(length, width, height, - pillarw=3.5, pillarslope=0.75, webthick=1) { +module ExtenderPillar(length, height, + pillarw=3.5, pillarslope=0.75, webthick=1) { pillarr=pillarw/2; - pilesw = width - pillarw; d = 0.25; intangle = atan(pillarslope); @@ -88,24 +87,37 @@ module ExtenderPillars(length, width, height, polyex = -tan(intangle+90)*pillarr; webmidy = height/2+d; - for (ymir=[0,1]) mirror([0,ymir,0]) translate([0,-pilesw/2,0]) { - for (xmir=[0,1]) - translate([0,0,height/2]) mirror([0,0,xmir]) - translate([0,0,-height/2]) { - intersection() { - translate([-1, -pillarr-5, 0.01]) - cube([length+2, height+pillarr*2+10, pilesw]); - mirror([1,0,0]) rotate([0,-90,0]) - linear_extrude(height=length) union(){ - circle(r=pillarr, $fn=20); - polygon([[polyjx,polyjy-0.1], [polyex, 0], - [polyjx,-(polyjy-0.1)]]); - polygon([[0,-webthick/2], [0,webthick/2], - [webmidy,webthick/2], [webmidy,-webthick/2]]); - } - } + for (xmir=[0,1]) + translate([0,0,height/2]) mirror([0,0,xmir]) + translate([0,0,-height/2]) { + intersection() { + translate([-1, -pillarr-5, 0.01]) + cube([length+2, height+pillarr*2+10, height]); + mirror([1,0,0]) rotate([0,-90,0]) + linear_extrude(height=length) union(){ + circle(r=pillarr, $fn=20); + polygon([[polyjx,polyjy-0.1], [polyex, 0], + [polyjx,-(polyjy-0.1)]]); + polygon([[0,-webthick/2], [0,webthick/2], + [webmidy,webthick/2], [webmidy,-webthick/2]]); } + } + } +} + +module ExtenderPillars(length, width, height, + pillarw=3.5, pillarslope=0.75, webthick=1, + baseweb=false, basewebthick=1) { + pilesw = width - pillarw; + + for (ymir=[0,1]) mirror([0,ymir,0]) translate([0,-pilesw/2,0]) { + ExtenderPillar(length, height, pillarw, pillarslope, webthick); } + + if (baseweb) { + translate([0, -pilesw/2, 0]) + cube([length, pilesw, basewebthick]); + } } module DoveClipExtender(length, ha=7, hb=7, counta=2, countb=2, @@ -121,8 +133,6 @@ module DoveClipExtender(length, ha=7, hb=7, counta=2, countb=2, - 0.5; pilesh = min(ha, hb) - 0.5; - echo(pilesh); - translate([DoveClip_depth() - 1, 0, 0]) ExtenderPillars(pillarlen, pilesw, pilesh, pillarw=pillarw, pillarslope=pillarslope,