+ 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);
+ }
+ translate([ handle_x1 - handle_rh*2,
+ handle_y1 - handle_rh/2 ])
+ circle(r = handle_rh/2, $fn=20);
+}
+
+module RetainSection(){
+ translate(retain_mxy) {
+ rotate(retain_empir_angle) {
+ circle(r=retain_rad, $fn=20);
+ translate([0, -retain_pushmore_adj])
+ square([retain_stalk_len + 1, retain_stalk_h]);
+ }
+ }
+}
+
+module PegSection(delta){
+ hull(){
+ translate([0, -delta/2])
+ square([0.1,
+ peg_height + delta]);
+ translate([peg_width - 0.1,
+ peg_height/2 - peg_inner_thick/2])
+ square([0.1, peg_inner_thick]);
+ }
+}
+
+module PegSectionForDemo(delta){
+ translate(retain_mxy)
+ rotate(retain_empir_angle)
+ translate([retain_stalk_len - peg_width - peg_width_slop/2,
+ retain_stalk_h - retain_pushmore_adj])
+ PegSection(delta);
+}
+
+module RetainCutout(gapping=false){
+ translate(retain_mxy) {
+ rotate(retain_empir_angle) {
+ translate([-50, -retain_rad]) {
+ square([50 + retain_stalk_len,
+ retain_cutout_h]);
+ }
+ }
+ }
+}
+
+module GappingSection(){
+ difference(){
+ union(){
+ InsertSection();
+ HandleSection();
+ }
+ RetainCutout(true);
+ }
+}
+
+module WithRetainSection(){
+ difference(){
+ union(){
+ InsertSection();
+ HandleSection();
+ }
+ RetainCutout();
+ }
+ RetainSection();
+}
+
+module BasicSection(){
+ InsertSection();
+ HandleSection();
+}
+
+module PegSectionSlice(lambda) {
+ delta = peg_wedge_more * (1-lambda) + -peg_wedge_less * lambda;
+ z = peg_len * lambda;
+ translate([0,0, z])
+ linear_extrude(height=0.1)
+ PegSection(delta);
+}
+
+module Peg(){
+ iters = 20;
+ for (i = [0 : iters-1]) {
+ lambda = i/iters;
+ hull(){
+ PegSectionSlice(lambda);
+ PegSectionSlice(lambda + 1/iters);
+ }
+ }
+}
+
+module PegPrintL(){
+ rotate([0,-90,0]) Peg();
+}
+
+module PegPrintR(){
+ mirror([1,0,0]) PegPrintL();
+}
+
+module Handle(){
+ bs1 = retain_len + overret_gaplen + 4;
+
+ translate([0,0,0])
+ linear_extrude(height= retain_len)
+ WithRetainSection();
+
+ translate([0,0, bs1])
+ linear_extrude(height= basics_len)
+ 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],
+ [0,0,1,0],
+ [0,0,0,1]])
+ linear_extrude(height= overret_gaplen + 10, convexity=100)
+ BasicSection();
+ }
+ }
+
+ linear_extrude(height=total_len, convexity=100) GappingSection();
+
+ translate([0,0, retain1_base]) {
+ intersection(){
+ linear_extrude(height=retain1_len, convexity=100)
+ WithRetainSection();
+ translate([retain_mxy[0], retain_mxy[1], 0])
+ rotate([0,0, retain_empir_angle])
+ translate([retain_stalk_len, -30, 0])
+ multmatrix([[1,0,-1,0],
+ [0,1,0,0],
+ [0,0,1,0],
+ [0,0,0,1]])
+ cube([50, 60, 50]);
+ }
+ }
+}
+
+module Demo(){
+ color("red") translate([0,0,-3]) BasicSection();
+ color("blue") translate([0,0,3]) WithRetainSection();
+ color("orange") translate([0,0,7]) PegSectionForDemo(0);
+}
+
+module Test(){
+ linear_extrude(height=2) {
+ WithRetainSection();
+ translate([0, -handle_y0 + topprotr_y + 10])
+ BasicSection();
+ }
+}
+
+module PegTestKit(){
+ PegPrintL();
+ translate([2,0,0]) PegPrintR();
+ translate([0,-2,0])
+ linear_extrude(height=retain_len, convexity=100) WithRetainSection();