X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=splitpin.scad;h=fc2fe627a0330d214906ce3713417ca558370a1e;hb=4107a824f9108a3a4903f94f117219937550dc15;hp=6ef5bb3bd9993fe00536f81ea15772f80e48c17f;hpb=50ae9afd185f8d16b49702f981ff406cc9e03e5a;p=reprap-play.git

diff --git a/splitpin.scad b/splitpin.scad
index 6ef5bb3..fc2fe62 100644
--- a/splitpin.scad
+++ b/splitpin.scad
@@ -6,8 +6,8 @@ tau = 6.28318530718;
 function deg2rad(deg) = deg/360 * tau;
 function rad2deg(rad) = rad/tau * 360;
 
-module SplitPin(w=1.5, holeminrad=3.5, thick=3, deviationrad=1.0,
-		mainlen=20, handlerad=10, handlelen=7) {
+module SplitPin(w=1.5, holeminrad=3.00, thick=3, deviationrad=1.5,
+		mainlen=15, handlerad=20, handlelen=12) {
   spare = holeminrad - deviationrad - w;
   echo("splitpin spare",spare);
   %translate([0,mainlen+handlelen,0]) cylinder(r=spare, h=thick);
@@ -51,9 +51,27 @@ module SplitPin(w=1.5, holeminrad=3.5, thick=3, deviationrad=1.0,
   }
 }
 
-module SplitPinCavity(w=1.5, holeminrad=3.5, thick=3, deviationrad=1.0,
-		      mainlen=20) {
-  
+module SplitPinCavity(w=1.5, holeminrad=3.00, thick=3, deviationrad=1.5,
+		      mainlen=15, slop=0.5, insertby = 5) {
+  smallgap2 = holeminrad;
+  biggap2 = smallgap2 + deviationrad + slop;
+  toegap2 = w*1.5 + slop;
+  toeend = -mainlen-insertby;
+
+  translate([0,thick/2,0]) rotate([90,0,0]) {
+    linear_extrude(height = thick + slop*2) {
+    for (xmir=[0,1]) mirror([xmir,0]) {
+	polygon([[-0.1, 1],
+		 [(smallgap2+biggap2)/2, 1],
+		 [smallgap2, -insertby],
+		 [biggap2, -insertby],
+		 [toegap2, toeend-1],
+		 [-0.1, toeend-1]]);
+      }
+    }
+  }
 }
 
 SplitPin();
+//translate([0,30,0])
+//  SplitPinCavity();