// -*- C -*-
-opening_height = 7.84 - 0.3;
-opening_depth = 6.0; // 7.88;
-openingcnr_dia = 2.75;
-opening_topprotr = 1.54;
+opening_height = 7.84;
+opening_depth = 7.88;
+openingcnr_dia = 1.34;
+opening_protrh = 1.8;
-gap = 0.25;
+pivot_x = 6;
-retain_empir_angle = 20;
-retain_empir_stalkw = 0.8;
-retain_rad = 1.65;
-retain_empir_inward = 0.65;
-
-hgap_empir_adjust = -0.5;
-
-topprotr_rad = 0.35;
-
-bot_overlap = 5;
-bot_w = 3;
-
-handle_w = 8;
-handle_rh = 3;
-handle_rcut = 3;
-
-cutout_gap = 1.5;
-
-total_len = 35;
-retaining_len = 10;
-overret_gaplen = 5;
-
-overret_hch = 5;
+pivoting_gap = 1;
// calculated
-ins_irad = openingcnr_dia/2 + gap;
-ins_orad = openingcnr_dia/2 + opening_height - gap;
-ins_th = ins_orad - ins_irad;
-
-handle_x0 = ins_irad + hgap_empir_adjust;
-handle_h = bot_overlap + ins_th;
-handle_y0 = -ins_orad-bot_overlap;
-handle_y1 = handle_y0 + handle_h;
-
-handle_x1 = handle_x0 + bot_w + handle_w;
+Q0 = [ openingcnr_dia/2,
+ openingcnr_dia/2 + opening_height/2 ];
-topprotr_y = -ins_irad + opening_topprotr;
+P0 = [ pivot_x, pivoting_gap ];
+//P4 = [
-module InsertSection(){
- hull(){
- translate([-ins_irad, -ins_irad])
- mirror([1,0])
- square([opening_depth - ins_irad, 0.1]);
- translate([-ins_irad - topprotr_rad,
- topprotr_y - topprotr_rad])
- circle(r=topprotr_rad, $fn=10);
- }
- translate([0, -ins_orad]) square([ins_irad+1, ins_th]);
- intersection(){
- translate([0.1, -ins_irad + 0.1])
- mirror([1,1])
- square([100, opening_depth]);
- difference(){
- circle(r= ins_orad);
- circle(r= ins_irad, $fn=20);
- }
- }
-}
+module ExtrusionSect(){
+ cr = openingcnr_dia/2;
+ toph = opening_height/2 + opening_protrh;
-module HandleSection(){
- difference(){
- hull(){
- translate([handle_x0, handle_y0])
- square([bot_w, handle_h]);
- for (y= [handle_y1 - handle_rh/2,
- handle_y1 - ins_th + handle_rh/2]) {
- translate([handle_x1 - handle_rh/2, y])
- circle(r= handle_rh/2, $fn=20);
- }
- }
- hull(){
- for (x= [handle_x0 + bot_w + handle_rcut/2,
- handle_x1 - handle_rh/2 - handle_rcut/2]) {
- translate([x, handle_y1])
- circle(r = handle_rcut/2, $fn=20);
+ for (my=[0,1]) {
+ mirror([0,my]) {
+ translate(Q0) {
+ hull(){
+ circle(r=cr, $fn=20);
+ translate([-cr,10]) square([cr*2, 1]);
+ }
}
}
}
- hull(){
- for (y= [handle_y1 - handle_rh/2,
- handle_y1 - 3*handle_rh/2])
- translate([handle_x1 - handle_rh/2, y])
- circle(r = handle_rh/2, $fn=20);
- }
-}
-
-module RetainSection(){
- rotate(180-retain_empir_angle)
- translate([0, ins_orad - retain_empir_inward])
- circle(r=retain_rad, $fn=20);
-}
-
-module RetainCutout(gapping=false){
- rotate(180-retain_empir_angle)
- translate([0, ins_orad - retain_empir_inward]) {
+ translate([-opening_depth, -toph]) {
difference(){
- circle(r=retain_rad + cutout_gap, $fn=20);
- if (!gapping)
- rotate(180 + retain_empir_angle/2)
- translate([0, -retain_empir_stalkw])
- square([100, retain_empir_stalkw*2]);
+ translate([-5,-5])
+ square([opening_depth+6, toph*2+10]);
+ square([opening_depth+2, toph*2]);
}
}
-}
-
-module GappingSection(){
- difference(){
- InsertSection();
- RetainCutout(true);
- }
- HandleSection();
}
-module WithRetainSection(){
- difference(){
- InsertSection();
- RetainCutout();
- }
- HandleSection();
- RetainSection();
-}
-
-module BasicSection(){
- InsertSection();
- HandleSection();
-}
-
-module Handle(){
- bs0 = retaining_len + overret_gaplen;
- bs1 = bs0 + overret_hch;
- linear_extrude(height=total_len, convexity=100) GappingSection();
- linear_extrude(height=retaining_len, convexity=100) WithRetainSection();
- translate([0,0, bs1]) linear_extrude(height= total_len - bs1)
- BasicSection();
- translate([0,0, bs1+0.1]) mirror([0,0,1]) {
- intersection_for (sl=[0,1]) {
- multmatrix([[1,0,0,0],
- [0,1,sl*0.65,0],
- [0,0,1,0],
- [0,0,0,1]])
- linear_extrude(height= overret_gaplen+1, convexity=100)
- BasicSection();
- }
- }
-}
-
-module Demo(){
- color("red") translate([0,0,-3]) BasicSection();
- color("blue") translate([0,0,3]) WithRetainSection();
-}
-
-module Test(){
- linear_extrude(height=2) {
- WithRetainSection();
- translate([0, -handle_y0 + topprotr_y + 10])
- BasicSection();
- }
+module LeverSect(){
+
}
-//Demo();
-//HandleSection();
-//InsertSection();
-//WithRetainSection();
-//BasicSection();
-//GappingSection();
-//Test();
-Demo();
-//Handle();
+ExtrusionSect();