include <commitid.scad>
+front_height = 80;
+front_width = 120;
+front_setback = 30;
+front_thick = 2.4;
+
+front_hex_stride = 12.5;
+front_hex_dia = 9.5;
+
+front_hex_y_fudge = -0.65;
+
+front_surround_lr =3;
+
+back_thick = 3;
+back_pillarw = 6;
+
+base_thick = 2.4;
+
eclip_inner_rad = 2.5;
-eclip_gap_rad = 0.5;
-eclip_prong_th = 3;
+eclip_gap_rad = 0.1;
+eclip_prong_th = 2.25;
eclip_outer_strt = 0.5;
eclip_inner_xstrt = 0.5;
eclip_base_epsilon = 0.5;
eclip_each_len = 6;
-eclip_each_every = 15;
+eclip_each_every = 29;
test_alpha = 10;
test_main_th = 1.5;
test_base_th = 2.5;
test_len = eclip_each_len + eclip_each_every*(test_eclips-1);
+num_eclips = 5;
+
// calculated
include <utils.scad>
eclip_base_offset = r1;
eclip_wall_offset = -ppxl;
+eclip_ra_offset = r2 - 0.1;
+
+eclip_recept_height = r2;
+
+eclip_rhs_offset = ppxl + rgap + eclip_prong_th;
+// does not include main_th
+
$fn=70;
module EclipLPlanCore(alpha){
module TestBase(){ ////toplevel
translate([0,0, eclip_base_offset]){
- for (i=[0 : 2: test_eclips-1]) {
+ for (i=[1 : 2: test_eclips-2]) {
translate([0, i*eclip_each_every])
rotate([90,0,0])
linear_extrude(height=eclip_each_len)
EclipLPlan(test_alpha);
}
- for (j=[1 : 2: test_eclips-2]) {
+ for (j=[0 : 2: test_eclips-1]) {
translate([0, j*eclip_each_every])
rotate([90,0,0])
linear_extrude(height=eclip_each_len)
mirror([1,0,0])
translate([-test_len,
-r2,
- -(r2 + test_base_th) + 0.1])
+ -(eclip_ra_offset + test_base_th)])
cube([test_len,
r2*2,
test_base_th]);
}
-module PlanDemo(){
+module TestPlanDemo(){
color("red") EclipLPlan(test_alpha);
color("blue") rotate(test_alpha) EclipPPlan(test_main_th);
color("green") EclipRPlan(test_alpha, test_main_th);
}
+beta = asin(front_setback / front_height);
+
+uf = [-sin(beta), cos(beta)];
+ur = [ -uf[1], uf[0]];
+
+pp = [0, 0];
+pq = pp + uf*front_height + ur*eclip_ra_offset;
+pr = [ pq[0] - eclip_base_offset - eclip_wall_offset,
+ 0 ];
+
+echo("uf ur P Q R", uf, ur, pp, pq, pr);
+
+module Sketch(){
+ polygon([pq, pp, pr]);
+}
+
+thicks = [ base_thick, front_thick, back_thick ];
+
+module Joins(alpha, objnum, objnum_f, objnum_m) {
+ pitch = (front_width - eclip_each_len) / (num_eclips-1);
+
+ thm = thicks[objnum_m];
+ stride = (front_width - eclip_each_len) / (num_eclips-1);
+
+ if (objnum==objnum_f) {
+ for (i=[ 1 : 2 : num_eclips-1 ]) {
+ translate([0, i*stride + eclip_each_len, 0]) {
+ rotate([90,0,0])
+ linear_extrude(height=eclip_each_len)
+ EclipLPlan(alpha);
+ }
+ }
+ for (i=[ 0 : 2 : num_eclips-1 ]) {
+ translate([0, i*stride + eclip_each_len, 0]) {
+ rotate([90,0,0])
+ linear_extrude(height=eclip_each_len)
+ EclipRPlan(alpha, thm);
+ }
+ }
+ }
+ if (objnum==objnum_m)
+ mirror([0,1,0])
+ rotate([90,0,0])
+ linear_extrude(height=front_width)
+ rotate(alpha)
+ EclipPPlan(thm);
+}
+
+function r3(pc) = [ pc[0], 0, pc[1] ];
+
+module ObjectJoins(objnum){
+ translate(r3(pp)) Joins(beta, objnum, 0,1);
+ translate(r3(pr)) mirror([1,0,0]) Joins(0, objnum, 0,2);
+ translate(r3(pq)) rotate([0,90,0]) mirror([1,0,0]) Joins(-beta, objnum, 2,1);
+}
+
+module Base(){
+ xmin = pr[0] - eclip_rhs_offset - thicks[2];
+ xmax = pp[0] + eclip_rhs_offset + thicks[1]
+ + eclip_prong_th * (1/cos(beta) - 1)
+ + eclip_base_offset * tan(beta);
+ intersection(){
+ ObjectJoins(0);
+ translate([xmin,
+ -1,
+ -50])
+ cube([xmax - xmin,
+ front_width + 2,
+ 300]);
+ }
+ translate([xmin,
+ 0,
+ -eclip_base_offset - thicks[0]]){
+ difference(){
+ cube([xmax - xmin,
+ front_width,
+ thicks[0]]);
+ translate([xmax-xmin, front_width]/2)
+ rotate([0,0,270])
+ Commitid_Full16_M();
+ }
+ }
+}
+
+module FrontPattern(){
+ totalh = front_height - eclip_wall_offset + thicks[1];
+
+ ystride = front_hex_stride;
+ xstride = front_hex_stride * cos(30) * 2;
+
+ difference(){
+ square([front_width, totalh]);
+ translate([ front_surround_lr,
+ eclip_recept_height ])
+ square([ front_width - front_surround_lr*2,
+ totalh - eclip_recept_height*2
+ ]);
+ }
+
+ difference(){
+ square([front_width, totalh]);
+ for (xi=[ -5 : 5 ]) {
+ translate([front_width/2 +
+ xi * xstride,
+ 0]) {
+ for (yi=[ 0 : 10 ]) {
+ //echo(yi);
+ translate([0, yi * ystride +
+ front_hex_dia*front_hex_y_fudge]) {
+ for (dv=[ [0,0],
+ [-xstride/2, -ystride/2]
+ ])
+ translate(dv)
+ circle(r= front_hex_dia/2, $fn=6);
+ }
+ }
+ }
+ }
+ }
+}
+
+module Front(){
+ ObjectJoins(1);
+ rotate([0, 90-beta, 0])
+ translate([0, 0, ppxl])
+ rotate([0,0,90]) {
+ linear_extrude(height=thicks[1])
+ FrontPattern();
+ }
+}
+
+module Back(){
+ ObjectJoins(2);
+
+ zmin = pr[1];
+ zmax = pq[1] + eclip_prong_th;
+ height = zmax - zmin;
+
+ translate([pr[0] + eclip_wall_offset - thicks[2],
+ 0, 0])
+ rotate([0,90,0])
+ rotate([0,0,90]) {
+ difference(){
+ cube([front_width,
+ height,
+ thicks[2]]);
+ translate([back_pillarw,
+ eclip_recept_height,
+ -10])
+ cube([front_width - back_pillarw*2,
+ height - eclip_recept_height*2 - eclip_prong_th,
+ 20]);
+ }
+ }
+}
+
+module BackPrint(){ ////toplevel
+ rotate([0,-90,0]) Back();
+}
+
+module FrontPrint(){ ////toplevel
+ rotate([0, 90+beta, 0]) Front();
+}
+
+module BasePrint(){ ////toplevel
+ Base();
+}
+
+module Demo(){ ////toplevel
+ color("red") Base();
+ color("blue") Front();
+ color("black") Back();
+}
+
//PlanDemo();
//TestBase();
//TestProtr();
//TestRAProtr();
+//Sketch();
+//Demo();
+//BackPrint();
+//FrontPrint();
+//BasePrint();
~ianmdlvl / reprap-play.git / blobdiff