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 f181493dc2ee7911f743f2a7f517e58c469a618a..a966ee9ee1870b9b8b08060d067a7fd4e1e062d7 100644 (file)
--- a/rope-adjuster.scad
+++ b/rope-adjuster.scad
@@ -11,7 +11,7 @@ teeth_n = 4;
 teeth_bite = 4;
 teeth_pitch = 4;
 teeth_gap = 3;
-teeth_back = 2;
+teeth_back = 1;
 teeth_height = 12;
 
 module Circles(r) {
@@ -37,6 +37,9 @@ module TeethPlan(){
             ]) {
     for (m=[0,1]) {
       mirror([m,0]) {
+       translate([ teeth_bite + teeth_gap/2, 0 ])
+         rectfromto([ -0.1, 0 ],
+                    [ teeth_back, teeth_n * teeth_pitch ]);
        for (i= [ 0: teeth_n-1 ]) {
          translate([teeth_gap/2, teeth_pitch*i])
            polygon([[ 0,0 ],