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 = 0.1;
eclip_ra_offset = r2 - 0.1;
+eclip_recept_height = r2;
+
eclip_rhs_offset = ppxl + rgap + eclip_prong_th;
// does not include main_th
pp = [0, 0];
pq = pp + uf*front_height + ur*eclip_ra_offset;
-pr = [ pq[0] - eclip_base_offset + eclip_wall_offset, 0 ];
+pr = [ pq[0] - eclip_base_offset - eclip_wall_offset,
+ 0 ];
echo("uf ur P Q R", uf, ur, pp, pq, pr);
polygon([pq, pp, pr]);
}
-thicks = [ 2, 2, 2 ];
+thicks = [ base_thick, front_thick, back_thick ];
module Joins(alpha, objnum, objnum_f, objnum_m) {
pitch = (front_width - eclip_each_len) / (num_eclips-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]) Joins(beta, objnum, 2,1);
+ translate(r3(pq)) rotate([0,90,0]) mirror([1,0,0]) Joins(-beta, objnum, 2,1);
}
module Base(){
}
translate([xmin,
0,
- -eclip_base_offset - thicks[0]])
- cube([xmax - xmin,
- front_width,
+ -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);
+ ObjectJoins(1);
rotate([0, 90-beta, 0])
translate([0, 0, ppxl])
- rotate([0,0,90])
- cube([front_width, front_height, thicks[1]]);
+ 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(){
+module Demo(){ ////toplevel
color("red") Base();
color("blue") Front();
color("black") Back();
//TestProtr();
//TestRAProtr();
//Sketch();
-Demo();
+//Demo();
+//BackPrint();
+//FrontPrint();
+//BasePrint();