1 files changed, 9 insertions, 25 deletions

diff --git a/another.scad b/another.scad
index 461dc26..fcd179e 100644
--- a/another.scad
+++ b/another.scad
@@ -25,49 +25,48 @@ module the_extruder(
          spring_d = 10, spring_lc = 9.6,        // spring diameter and compressed length
  // filament path properties
  filament_d = 1.75,
  filament_path_d = 2,
          filament_guide_d = 4,                  // PTFE filament guide diameter
  // knob properties
  knob_h = 10,
  knob_bore_l = 4,
  knob_indent_d = 4,
  knob_indents = 12,
  // spring tensioner
  st_nut_d = 9, st_nut_h = 4,
  st_screw_d = 5,
  st_thickshell = 8*extrusion_width, st_thinshell = 2*extrusion_width,
  st_split_w = 4*extrusion_width,
 
  // screw it
  mount_screw_d = 3.1, mount_screw_l = 20,
  mount_screwhead_d=6, mount_screwhead_h=3,
  idler_screw_d = 3,
  idler_screwhead_d=6, idler_screwhead_h=3,
 
  pf = pushfit_metal,
  pf_shell = max(3*layer_height,3*extrusion_width),
- pf_smooth = true,
 
  // empty spaces
          idler_travel = 3,                      // how far should idler travel when pressed
  idler_clearance=.5,
  pulley_small_d_clearance=.5,
          lever_v_clearance=.7,                  // vertical clearance for the lever
  spring_d_clearance=1,
          protrusion_tolerance_h=.5,             // horizontal tolerance for the motor protrusion
          protrusion_tolerance_v=.5,             // vertical tolerance for the motor protrusion
  mount_screw_d_tolerance=.4,
  idler_v_tolerance=.5,
  knob_bore_d_tolerance=.6,
  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,
 
  what="lever",  // lever|body|knob|springpad|*
  left=false,
  vitamins = true,
  bridges = true,
@@ -234,72 +233,57 @@ module the_extruder(
  
  module body() {
   difference() {
    union() {
     cylinder(d=gearbox_d,h=body_h,$fn=fnd*gearbox_d);
     // spring tensioner part
     translate([-gearbox_d/2,0,0]) hull() {
      translate([0,-longwing,ls_z])
      rotate([0,90,0])
      cylinder(d=lever_thickness,h=fsw,$fn=fnd*lever_thickness);
      hh=body_h-ls_z;
      translate([0,0,ls_z])
      mirror([0,1,0]) cube(size=[fsw,longwing+(st_split_w+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]);
     }//hull translate
     
     // pushfit bracket
     translate([0,0,filament_elevation])
     rotate([0,0,45]) translate([pulley_d/2+filament_offset,0,0])
     rotate([-90,0,0])
     translate([0,0,mount_d/sqrt(2)/2+mount_screw_d-gearbox_d/2/*TODO:*/]) {
      pfbl = pf_h(pf)+gearbox_d/2; //TODO:
-     if(pf_smooth) {
-      pfbd = pf_d(pf)+2*pf_shell;
-      hull() {
-       cylinder(d=pfbd,h=pfbl,$fn=pfbd*fnd);
-       translate([-epsilon/2,0,0]) {
-        cube(size=[epsilon,filament_elevation,pfbl-filament_elevation+pfbd/2]);
-        mirror([0,1,0])
-        cube(size=[epsilon,body_h-filament_elevation,pfbl-body_h+filament_elevation+pfbd/2]);
-       }//translate
-      }//hull
-     }else{
-      pfb2a = pf_d(pf)+2*pf_shell; pfba = pfb2a/2;
-      pfbd = pfb2a/cos(30);
-      pfbs = pfb2a*tan(30);
-      cylinder(d=pfbd,h=pfbl,$fn=6);
-      translate([-pfbs/2,0,0]) {
-       hull() {
-        translate([0,-pfba,0]) cube(size=[pfbs,pfb2a,pfbl]);
-        cube(size=[pfbs,filament_elevation,pfbl-filament_elevation+pfba]);
-        mirror([0,1,0])
-        cube(size=[pfbs,body_h-filament_elevation,pfbl-body_h+filament_elevation+pfba]);
-       }//hull
-      }//translate*/
-     }//if(pf_smooth)
+     pfbd = pf_d(pf)+2*pf_shell;
+     hull() {
+      cylinder(d=pfbd,h=pfbl,$fn=pfbd*fnd);
+      translate([-epsilon/2,0,0]) {
+       cube(size=[epsilon,filament_elevation,pfbl-filament_elevation+pfbd/2]);
+       mirror([0,1,0])
+       cube(size=[epsilon,body_h-filament_elevation,pfbl-body_h+filament_elevation+pfbd/2]);
+      }//translate
+     }//hull
     }//translate rotate translate rotate translate
    }//union (first child of difference)
 
    // protrusion
    translate([0,0,-1])
    cylinder(d=protrusion_d+protrusion_tolerance_h,h=protrusion_h+protrusion_tolerance_v+1,$fn=fnd*(protrusion_d+protrusion_tolerance_h));
    // mount screw holes
    for(zr=[0:90:359]) rotate([0,0,zr]) translate([mount_d/2,0,0]) {
     translate([0,0,mount_screw_l-mount_depth-(bridges?layer_height:-epsilon)])
     mirror([0,0,1])
     cylinder(d=mount_screw_d+mount_screw_d_tolerance,
              h=mount_screw_l-mount_depth+1,
              $fn=fnd*(mount_screw_d+mount_screw_d_tolerance));
     translate([0,0,mount_screw_l-mount_depth])
     cylinder(d=mount_screwhead_d,h=body_h+1,$fn=fnd*mount_screwhead_d);
    }//for
    // pushfit
    pf_offset = mount_d/sqrt(2)/2+mount_screw_d;
    translate([0,0,filament_elevation])
    rotate([0,0,45]) translate([pulley_d/2+filament_offset,0,0])
    rotate([-90,0,0])
    translate([0,0,pf_offset])
    rotate([0,0,180]) {
     pushfit(pf);