// -*- C -*-
-opening_height = 7.84;
-opening_depth = 7.88;
+opening_height = 7.84 - 0.3 + 0.60;
+opening_depth = 6.0; // 7.88;
openingcnr_dia = 2.75;
opening_topprotr = 1.54;
gap = 0.25;
+retain_rad = 1.65;
+retain_protr = 0.35;
+retain_hgap_adjust = 1.5;
+
+retain_stalk_len = 6.5;
+retain_stalk_h = 1.5;
+retain_bend_gap = 2.0;
+retain_empir_angle = -25;
+retain_pushmore_adj = 0.75;
+
+hgap_empir_adjust = -0.5 -2.50;
+
+topprotr_rad = 0.35;
+
bot_overlap = 5;
bot_w = 3;
-handle_d = 2;
handle_w = 8;
-handle_rh = 2;
+handle_rh = 3;
handle_rcut = 3;
+cutout_gap = 1.5;
+
+total_len = 35;
+retaining_len = 10;
+
+overret_hch = 5;
+
// 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;
+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;
+topprotr_y = -ins_irad + opening_topprotr;
+
+retain_mxy = [handle_x0 - retain_rad - retain_hgap_adjust,
+ -ins_orad + retain_rad - retain_protr - retain_pushmore_adj];
+
+retain_cutout_h = retain_rad * 2 + retain_bend_gap;
+
+overret_gaplen = retain_cutout_h / cos(retain_empir_angle);
+
module InsertSection(){
- translate([-ins_orad, 0]) square([ins_th, opening_topprotr]);
+ 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([0.1,0.1]) mirror([1,1]) square([100,100]);
+ translate([0, -ins_irad])
+ mirror([1,1])
+ square([100, opening_depth]);
difference(){
circle(r= ins_orad);
circle(r= ins_irad, $fn=20);
hull(){
translate([handle_x0, handle_y0])
square([bot_w, handle_h]);
- for (dy= [handle_rh/2, handle_h - handle_rh/2]) {
- translate([handle_x1 - handle_rh/2, handle_y0 + dy])
+ 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 (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(){
+ translate(retain_mxy) {
+ rotate(retain_empir_angle) {
+ circle(r=retain_rad, $fn=20);
+ square([retain_stalk_len + 1, retain_stalk_h]);
+ }
+ }
+}
+
+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 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],
+ [0,0,1,0],
+ [0,0,0,1]])
+ linear_extrude(height= overret_gaplen + 10, 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();
+ }
}
-InsertSection();
-HandleSection();
+//Demo();
+//HandleSection();
+//InsertSection();
+//WithRetainSection();
+//BasicSection();
+//GappingSection();
+Test();
+//Demo();
+//Handle();