mic-table-clamp: fixes from v2

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

diff --git a/mic-table-clamp.scad b/mic-table-clamp.scad
index 77c3fc4f94177a7a11aa435da96283c9053ff123..2f5b737a08ad589ac9849d58f0cdec64684d1d53 100644 (file)
--- a/mic-table-clamp.scad
+++ b/mic-table-clamp.scad
@@ -31,7 +31,8 @@ module Base(){
 }
 
 thread_nom = 8;
-thread_act = thread_nom + 0.375;
+thread_pitch = 1.25;
+thread_act = thread_nom + 0.250;
 
 wingnut_th = 5;
 wingnut_wall = 4;
@@ -71,7 +72,8 @@ module Wingnut(){
     translate([0,0, wingnut_th])
       rotate([180,0,0])
       translate([0,0,-0.01])
-      metric_thread(diameter=thread_act, leadin=3, internal=true,
+      metric_thread(diameter=thread_act, pitch=thread_pitch,
+                   leadin=3, internal=true,
                    test=$test, length=wingnut_th+3);
     mirror([0,0,1])
       linear_extrude(height=5)