From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sat, 12 Aug 2023 13:15:29 +0000 (+0100)
Subject: rope-adjuster: wip, teeth
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=dd880d236c866732955a3005781ca356fd11e377;p=reprap-play.git

rope-adjuster: wip, teeth

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---

diff --git a/rope-adjuster.scad b/rope-adjuster.scad
index edfe9ca..f181493 100644
--- a/rope-adjuster.scad
+++ b/rope-adjuster.scad
@@ -5,12 +5,12 @@ include <utils.scad>
 hole_dia = 10;
 around_hole = 5;
 thick = 4;
-lever_len = 65;
+lever_len = 50;
 
 teeth_n = 4;
 teeth_bite = 4;
 teeth_pitch = 4;
-teeth_gap = 2;
+teeth_gap = 3;
 teeth_back = 2;
 teeth_height = 12;
 
@@ -31,13 +31,18 @@ module Plan() {
 }
 
 module TeethPlan(){
-  for (m=[0,1]) {
-    mirror([m,0]) {
-      for (i= [ 0: teeth_n-1 ]) {
-	translate([teeth_gap/2, teeth_pitch*i])
-	  polygon([[ 0,0 ],
-		   [ teeth_bite, 0 ],
-		   [ teeth_bite, teeth_pitch ]]);
+  translate([
+	     lever_len/2 - hole_dia/2 - teeth_bite - teeth_gap*1.5,
+	     -0.5 * teeth_n * teeth_pitch,
+	     ]) {
+    for (m=[0,1]) {
+      mirror([m,0]) {
+	for (i= [ 0: teeth_n-1 ]) {
+	  translate([teeth_gap/2, teeth_pitch*i])
+	    polygon([[ 0,0 ],
+		     [ teeth_bite, 0 ],
+		     [ teeth_bite, teeth_pitch ]]);
+	}
       }
     }
   }