3 include <commitid.scad>
10 front_hex_stride = 13;
13 front_hex_x_fudge = 0.05;
14 front_hex_y_fudge = -0.1;
23 eclip_inner_rad = 2.5;
25 eclip_prong_th = 2.25;
26 eclip_outer_strt = 0.5;
27 eclip_inner_xstrt = 0.5;
30 eclip_base_epsilon = 0.5;
33 eclip_each_every = 29;
39 test_len = eclip_each_len + eclip_each_every*(test_eclips-1);
47 eclip_inner_strt = eclip_outer_strt + eclip_inner_xstrt;
50 r1 = r0 + eclip_gap_rad;
51 r2 = r1 + eclip_prong_th;
52 r2e = r1 + eclip_base_epsilon;
54 ppxl = -(r0 / sqrt(2)) + (eclip_inner_strt / sqrt(2));
58 eclip_base_offset = r1;
59 eclip_wall_offset = -ppxl;
61 eclip_ra_offset = r2 - 0.1;
63 eclip_recept_height = r2;
65 eclip_rhs_offset = ppxl + rgap + eclip_prong_th;
66 // does not include main_th
70 module EclipLPlanCore(alpha){
71 FArcSegment(0,0, r1,r2,
72 180-eclip_ult_angle, eclip_ult_angle-alpha +1);
78 rotate(-alpha) mirror([1,1]) square([r2e, 50]);
80 rotate(-alpha) mirror([1,1]) square([r2e, r2]);
86 module EclipRPlan(alpha, main_th){
89 translate([ppxl + main_th + rgap, -r2*2])
90 square([eclip_prong_th, r2*(2 + 1/sqrt(2))]);
91 translate([-r2, -r2e])
92 square([r2*3, eclip_base_epsilon + r2*4]);
96 module EclipLPlan(alpha){
97 rotate(alpha) EclipLPlanCore(alpha);
100 module EclipPPlan(main_th){
104 rotate(90-eclip_ult_angle) square([r0,r0]);
106 translate([-(r0+.1), -(r0+.1)])
107 square([(r0+.1) + main_th + ppxl, r2*2]);
109 translate([ppxl, 0]) square([main_th, r2]);
112 module TestBase(){ ////toplevel
113 translate([0,0, eclip_base_offset]){
114 for (i=[1 : 2: test_eclips-2]) {
115 translate([0, i*eclip_each_every])
117 linear_extrude(height=eclip_each_len)
118 EclipLPlan(test_alpha);
120 for (j=[0 : 2: test_eclips-1]) {
121 translate([0, j*eclip_each_every])
123 linear_extrude(height=eclip_each_len)
124 EclipRPlan(test_alpha, test_main_th);
127 translate([-r2, -eclip_each_len, -test_base_th]){
132 mirror([0,0,1]) Commitid_BestCount_M([r2*2, test_len]);
137 module TestProtr(){ ////toplevel
139 translate([0,0, test_main_th - eclip_wall_offset])
141 linear_extrude(height=test_len)
142 EclipPPlan(test_main_th);
143 mirror([0,0,1]) Commitid_BestCount_M([test_len, r2]);
147 module TestRAProtr(){ ////toplevel
148 rotate([-90,0,0]) TestProtr();
150 translate([-test_len,
152 -(eclip_ra_offset + test_base_th)])
158 module TestPlanDemo(){
159 color("red") EclipLPlan(test_alpha);
160 color("blue") rotate(test_alpha) EclipPPlan(test_main_th);
161 color("green") EclipRPlan(test_alpha, test_main_th);
164 beta = asin(front_setback / front_height);
166 uf = [-sin(beta), cos(beta)];
167 ur = [ -uf[1], uf[0]];
170 pq = pp + uf*front_height + ur*eclip_ra_offset;
171 pr = [ pq[0] - eclip_base_offset - eclip_wall_offset,
174 echo("uf ur P Q R", uf, ur, pp, pq, pr);
177 polygon([pq, pp, pr]);
180 thicks = [ base_thick, front_thick, back_thick ];
182 module Joins(alpha, objnum, objnum_f, objnum_m) {
183 pitch = (front_width - eclip_each_len) / (num_eclips-1);
185 thm = thicks[objnum_m];
186 stride = (front_width - eclip_each_len) / (num_eclips-1);
188 if (objnum==objnum_f) {
189 for (i=[ 1 : 2 : num_eclips-1 ]) {
190 translate([0, i*stride + eclip_each_len, 0]) {
192 linear_extrude(height=eclip_each_len)
196 for (i=[ 0 : 2 : num_eclips-1 ]) {
197 translate([0, i*stride + eclip_each_len, 0]) {
199 linear_extrude(height=eclip_each_len)
200 EclipRPlan(alpha, thm);
204 if (objnum==objnum_m)
207 linear_extrude(height=front_width)
212 function r3(pc) = [ pc[0], 0, pc[1] ];
214 module ObjectJoins(objnum){
215 translate(r3(pp)) Joins(beta, objnum, 0,1);
216 translate(r3(pr)) mirror([1,0,0]) Joins(0, objnum, 0,2);
217 translate(r3(pq)) rotate([0,90,0]) mirror([1,0,0]) Joins(-beta, objnum, 2,1);
221 xmin = pr[0] - eclip_rhs_offset - thicks[2];
222 xmax = pp[0] + eclip_rhs_offset + thicks[1]
223 + eclip_prong_th * (1/cos(beta) - 1)
224 + eclip_base_offset * tan(beta);
236 -eclip_base_offset - thicks[0]])
242 module FrontPattern(){
243 totalh = front_height - eclip_wall_offset + thicks[1];
245 ystride = front_hex_stride;
246 xstride = front_hex_stride * cos(30) * 2;
249 square([front_width, totalh]);
250 translate([ front_surround_lr,
251 eclip_recept_height ])
252 square([ front_width - front_surround_lr*2,
253 totalh - eclip_recept_height*2
258 square([front_width, totalh]);
259 for (xi=[ 0 : 10 ]) {
260 translate([xi * xstride +
262 front_hex_dia*front_hex_x_fudge, 0]) {
263 for (yi=[ 0 : 10 ]) {
265 translate([0, yi * ystride +
266 front_hex_dia*front_hex_y_fudge]) {
268 [-xstride/2, -ystride/2]
271 circle(r= front_hex_dia/2, $fn=6);
281 rotate([0, 90-beta, 0])
282 translate([0, 0, ppxl])
284 linear_extrude(height=thicks[1])
293 zmax = pq[1] + eclip_prong_th;
294 height = zmax - zmin;
296 translate([pr[0] + eclip_wall_offset - thicks[2],
304 translate([back_pillarw,
307 cube([front_width - back_pillarw*2,
308 height - eclip_recept_height*2 - eclip_prong_th,
316 color("blue") Front();
317 color("black") Back();