X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=cliphook.scad;fp=cliphook.scad;h=86a76babb0df4075f39f5f0f76e3026fd369eef2;hb=2d5112d86fa08d364980ec15e4282d8fd2c2afae;hp=3ea35736d64c84d71f307bebb1157116d9f9ed7d;hpb=7aaa58426b9cfa8ac2b8e947626e664a6e14aa5d;p=reprap-play.git

diff --git a/cliphook.scad b/cliphook.scad
index 3ea3573..86a76ba 100644
--- a/cliphook.scad
+++ b/cliphook.scad
@@ -5,7 +5,7 @@ function ClipHook_yd(w,g,l,ye,k) = g/2 + w + g + w/2 - ClipHook_r3(w,g,l,ye,k);
 function ClipHook_xe(w,g,l,ye,k) =
         l*1.5 + w +
 	sqrt(pow( ClipHook_r3(w,g,l,ye,k),      2) -
-	     pow( ClipHook_yd(w,g,l,ye,k) + ye, 2));
+	     pow( ClipHook_yd(w,g,l,ye,k) - ye, 2));
 
 module ClipHook_2D(w,g,l,ye,k,h) {
   r2 =  ClipHook_r2(w,g,l,ye,k);
@@ -66,4 +66,4 @@ module ClipHook(w=1.2, g=0.2, l=0.0, ye=0, k=2.0, h=3.5, demo=false) {
       translate([l+w,0,0]) rotate(180) ClipHook_2D(w,g,l,ye,k);
 }
 
-ClipHook(l=3, ye=-3, k=1, demo=true);
+ClipHook(l=3, ye=1.5, k=1, demo=true);