// -*- C -*-
-// print on High Detail
-// but adjust infill to 50%, shell thickness to 2mm
+// print Stem and Wingnut on High Detail
+// but adjust shell thickness to 2mm
+// others on Standard
+
+include <utils.scad>
include <threads.scad>
include <camera-mount.scad>
positive_dia = inch * 3/8. - 0.375;
positive_l = inch * 1/2.;
-stem_l = 7;
+positive_blank_dia = 8.12;
+blank_l = 17;
+blank_taper = 1.0;
+
+stem_l = 40;
stem_dia = 12;
+stem_th = 3;
+stem_ceil = 2;
+stem_base_th = 4;
+stem_base_dia = 25;
+stem_inner_l = 15;
+
+thread_nom = 8;
+thread_pitch = 1.25;
+thread_act = thread_nom + 0.600;
+
+clamp_l = 40;
+clamp_top_th = 7;
+clamp_bot_th = 10;
+clamp_bot_tooth_h = 2.5;
+clamp_bot_tooth_d = 10;
+clamp_bot_collar = 20;
+clamp_bot_collar_th = 3.0;
+clamp_reg_sz1 = 3;
+clamp_reg_sz2 = 5;
+clamp_w = 15;
+clamp_max_table_th = 35;
+
+clamp_hole_dia = thread_nom + 0.30;
+
+clamp_reg_clear_x = 2.5;
+clamp_reg_clear_y = 0.75; // each side
+clamp_reg_extra_x = 4;
+
+//ct_h = 7;
+
+wingnut_th = 5;
+wingnut_wall = 4;
+wingnut_wing_mindia = 17.0;
+wingnut_wing_xrad = 8;
+wingnut_wing_xh = 5;
+wingnut_wing_th = 3;
+
+//$test= true;
+$test= false;
+
+$fa= 3;
+$fs= 0.2;
+
+// calculated
-base_th = 3;
-base_dia = 60;
+wingnut_cnr = wingnut_wing_th/2 -0.1;
-module Base(){
- translate([0,0,-0.1])
+clamp_reg_bot_x_min = -stem_base_dia/2 -clamp_reg_clear_x -clamp_reg_sz2;
+clamp_collar_r = thread_nom/2 + clamp_bot_collar_th;
+
+module OurThread(l){
+ translate([0,0,-0.01])
+ metric_thread(diameter=thread_act, pitch=thread_pitch,
+ leadin=3, internal=true,
+ test=$test, length=l);
+}
+
+module StemWith(){
+ translate([0,0, stem_l -0.1])
+ children();
+
+ difference(){
+ union(){
+ cylinder(r= stem_dia/2 * 1/(0.5 * sqrt(3)),
+ h = stem_l,
+ $fn=6);
+ cylinder(r= stem_base_dia/2,
+ h = stem_base_th);
+ }
+ OurThread(stem_inner_l);
+ }
+}
+
+module Stem(){ ////toplevel
+ StemWith()
english_thread(diameter=positive_dia/inch, threads_per_inch=16,
leadin=1, test=$test,
length= (positive_l + 0.1) / inch);
+}
- rotate([180,0,0]) {
- cylinder(r= stem_dia/2 * 1/(0.5 * sqrt(3)),
- h = stem_l + 1,
- $fn=6);
- translate([0,0, stem_l])
- cylinder(r= base_dia/2, h= base_th);
+module StemBlankPart(){
+ hull(){
+ cylinder(h = blank_l + 0.1 - blank_taper,
+ r = positive_blank_dia/2);
+ cylinder(h = blank_l + 0.1,
+ r = positive_blank_dia/2 - blank_taper);
}
}
-Base();
+module BlankStem(){ ////toplevel
+ StemWith()
+ StemBlankPart();
+}
+
+module Wingnut(){ ////toplevel
+ difference(){
+ union(){
+ cylinder(r= (thread_nom+wingnut_wall)/2,
+ h= wingnut_th);
+ minkowski(){
+ sphere(r= wingnut_cnr);
+ translate([0,0, wingnut_cnr*0.5])
+ linear_extrude(height= wingnut_wing_xh + wingnut_th
+ - wingnut_cnr*1.5)
+ square([wingnut_wing_mindia + wingnut_wing_xrad*2 - wingnut_cnr*2,
+ wingnut_wing_th - wingnut_cnr*2],
+ center=true);
+ }
+ }
+ translate([0,0, wingnut_th])
+ linear_extrude(height= wingnut_wing_xh+1)
+ square(wingnut_wing_mindia, center=true);
+ translate([0,0, wingnut_th])
+ rotate([180,0,0])
+ OurThread(wingnut_th+3);
+ mirror([0,0,1])
+ linear_extrude(height=5)
+ square(center=true, wingnut_wing_mindia*2);
+ }
+}
+
+module ClampCollarPlan(){
+ circle(r= clamp_collar_r);
+}
+module ClampHolePlan(){
+ circle(r= clamp_hole_dia/2);
+}
+module ClampArmPlan(){
+ r = clamp_collar_r;
+ hull(){
+ rectfromto([r, -clamp_w/2],
+ [clamp_l, +clamp_w/2]);
+ ClampCollarPlan();
+ }
+}
+
+module ClampTop(){ ////toplevel
+ linear_extrude(height = clamp_top_th, convexity=4) {
+ difference(){
+ union(){
+ ClampArmPlan();
+ ClampCollarPlan();
+ }
+ ClampHolePlan();
+ }
+ }
+ linear_extrude(height = clamp_reg_sz1, convexity=4) {
+ difference(){
+ for (m=[0,1]){
+ mirror([0,m,0])
+ translate([0, clamp_reg_sz2/2 + clamp_reg_clear_y, 0])
+ rectfromto([clamp_reg_bot_x_min - clamp_reg_extra_x, 0 ],
+ [0, clamp_reg_sz1 ]);
+ }
+ ClampHolePlan();
+ }
+ }
+}
+
+module ClampBot(){ ////toplevel
+ linear_extrude(height = clamp_bot_th, convexity=4) {
+ difference(){
+ ClampArmPlan();
+ ClampHolePlan();
+ }
+ }
+ translate([clamp_l, 0, clamp_bot_th-0.1])
+ linear_extrude(height = clamp_bot_tooth_h +0.1)
+ rectfromto([ -clamp_bot_tooth_d, -clamp_w/2 ],
+ [ 0, +clamp_w/2 ]);
+ translate([0,0, clamp_bot_th])
+ mirror([0,0,1])
+ linear_extrude(height = clamp_bot_collar)
+ difference(){
+ ClampCollarPlan();
+ ClampHolePlan();
+ }
+ translate([0, 0, clamp_bot_th]) {
+ linextr(-clamp_reg_sz2, clamp_max_table_th+clamp_reg_sz2) {
+ translate([clamp_reg_bot_x_min, 0]) {
+ rectfromto([ 0, -clamp_reg_sz2/2 ],
+ [ clamp_reg_sz2, +clamp_reg_sz2/2 ]);
+ }
+ }
+ linextr(-clamp_reg_sz2, 0) {
+ difference(){
+ rectfromto([ clamp_reg_bot_x_min, -clamp_reg_sz2/2 ],
+ [ 0, +clamp_reg_sz2/2 ]);
+ ClampHolePlan();
+ }
+ }
+ }
+}
+
+module StemBlankTest(){ ////toplevel
+ StemBlankPart();
+ linextr(-1.5,0) square(center=true, [10,35]);
+}
+
+module Demo(){ ////toplevel
+ color("blue") translate([0,0, clamp_top_th+0.5]) BlankStem();
+ color("red") ClampTop();
+ color("grey") translate([0,0, -(clamp_bot_th + 5)]) ClampBot();
+ translate([0,0, -(clamp_bot_collar +10)])
+ rotate([180,0,0]) Wingnut();
+}
+
+//Wingnut();
+//Stem();