From 005f630a7c6e8d5d2c828b82c0ca5b84811a75a3 Mon Sep 17 00:00:00 2001
From: Michael Krelin <hacker@klever.net>
Date: Thu, 23 Aug 2018 18:15:50 +0000
Subject: add split tolerance

---
diff --git a/another.scad b/another.scad
index 8d9d22c..b1cbdeb 100644
--- a/another.scad
+++ b/another.scad
@@ -62,6 +62,7 @@ module the_extruder(
  st_nut_h_tolerance=.2,
  st_nut_d_tolerance=.2,/* TODO: make it st_nut_w_tolerance */
  st_screw_d_tolerance=.5,
+ st_split_w_tolerance = .3,
 
  min_z_shell = 4*layer_height,                  // the very minimal shell thickness along z-axis.
  min_xy_shell = 2*extrusion_width,
@@ -237,8 +238,8 @@ module the_extruder(
        rotate([0,90,0])
        cylinder(d=lever_thickness,h=fsw,$fn=fnd*lever_thickness);
        hh=body_h-ls_z;
-       translate([0,0,ls_z-lever_thickness/2])
-       mirror([0,1,0]) cube(size=[fsw,longwing-hh+lever_thickness/sqrt(2),hh+lever_thickness/2]);
+       translate([0,0,ls_z])
+       mirror([0,1,0]) cube(size=[fsw,longwing+(st_thinshell+st_split_w_tolerance)/2+st_thickshell,body_h-ls_z]);
        hhh=ls_z;
        translate([0,0,0])
        mirror([0,1,0]) cube(size=[fsw,longwing-hhh+lever_thickness/sqrt(2),hhh+lever_thickness/2]);
@@ -254,9 +255,12 @@ module the_extruder(
 	translate([0,0,-1]) cylinder(d=st_screw_d+st_screw_d_tolerance,h=fsw+2,$fn=fnd*(st_screw_d+st_screw_d_tolerance));
 	bigd = spring_d+spring_d_clearance;
 	hf = (bigd-st_screw_d-st_screw_d_tolerance)/2;
-	translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell-epsilon])
-	cylinder(d1=st_screw_d+st_screw_d_tolerance,d2=bigd,
-	 h=hf+epsilon, $fn=fnd*bigd);
+	translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell-epsilon]) {
+	 cylinder(d1=st_screw_d+st_screw_d_tolerance,d2=bigd,
+	  h=hf+epsilon, $fn=fnd*bigd);
+	 translate([0,-(st_thinshell+st_split_w_tolerance)/2,0])
+	 cube(size=[body_h-ls_z+1,st_thinshell+st_split_w_tolerance,fsw+1]);
+	}
 	translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+hf-epsilon])
 	cylinder(d=bigd,h=fsw+1,$fn=fnd*bigd);
        }
--
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