1 files changed, 6 insertions, 5 deletions

diff --git a/another.scad b/another.scad
index 7a3b0ac..da5f695 100644
--- a/another.scad
+++ b/another.scad
@@ -59,2 +59,3 @@ module the_extruder(
  st_nut_d_tolerance=.2,/* TODO: make it st_nut_w_tolerance */
+ st_screw_d_tolerance=.3,
 
@@ -218,7 +219,7 @@ module the_extruder(
         cylinder(d=st_nut_d+st_nut_d_tolerance,h=st_nut_h+st_nut_h_tolerance,$fn=6);
-        translate([0,0,-1]) cylinder(d=st_screw_d,h=fsw+2,$fn=fnd*st_screw_d);
+        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)/2;
+        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,d2=bigd,
+        cylinder(d1=st_screw_d+st_screw_d_tolerance,d2=bigd,
          h=hf+epsilon, $fn=fnd*bigd);
@@ -337,3 +338,3 @@ module the_extruder(
  module springpad() {
-  smalld=st_screw_d+2*extrusion_width;
+  smalld=st_screw_d+st_screw_d_tolerance+2*extrusion_width;
   bigd = spring_d+spring_d_clearance/2;
@@ -350,3 +351,3 @@ module the_extruder(
    translate([0,0,-epsilon])
-   cylinder(d=st_screw_d,h=2*hf+epsilon,$fn=fnd*st_screw_d);
+   cylinder(d=st_screw_d+st_screw_d_tolerance,h=2*hf+epsilon,$fn=fnd*(st_screw_d+st_screw_d_tolerance));
   }