3 include <commitid.scad>
10 front_hex_stride = 14;
20 eclip_inner_rad = 2.5;
22 eclip_prong_th = 2.25;
23 eclip_outer_strt = 0.5;
24 eclip_inner_xstrt = 0.5;
27 eclip_base_epsilon = 0.5;
30 eclip_each_every = 29;
36 test_len = eclip_each_len + eclip_each_every*(test_eclips-1);
44 eclip_inner_strt = eclip_outer_strt + eclip_inner_xstrt;
47 r1 = r0 + eclip_gap_rad;
48 r2 = r1 + eclip_prong_th;
49 r2e = r1 + eclip_base_epsilon;
51 ppxl = -(r0 / sqrt(2)) + (eclip_inner_strt / sqrt(2));
55 eclip_base_offset = r1;
56 eclip_wall_offset = -ppxl;
58 eclip_ra_offset = r2 - 0.1;
60 eclip_recept_height = r2;
62 eclip_rhs_offset = ppxl + rgap + eclip_prong_th;
63 // does not include main_th
67 module EclipLPlanCore(alpha){
68 FArcSegment(0,0, r1,r2,
69 180-eclip_ult_angle, eclip_ult_angle-alpha +1);
75 rotate(-alpha) mirror([1,1]) square([r2e, 50]);
77 rotate(-alpha) mirror([1,1]) square([r2e, r2]);
83 module EclipRPlan(alpha, main_th){
86 translate([ppxl + main_th + rgap, -r2*2])
87 square([eclip_prong_th, r2*(2 + 1/sqrt(2))]);
88 translate([-r2, -r2e])
89 square([r2*3, eclip_base_epsilon + r2*4]);
93 module EclipLPlan(alpha){
94 rotate(alpha) EclipLPlanCore(alpha);
97 module EclipPPlan(main_th){
101 rotate(90-eclip_ult_angle) square([r0,r0]);
103 translate([-(r0+.1), -(r0+.1)])
104 square([(r0+.1) + main_th + ppxl, r2*2]);
106 translate([ppxl, 0]) square([main_th, r2]);
109 module TestBase(){ ////toplevel
110 translate([0,0, eclip_base_offset]){
111 for (i=[1 : 2: test_eclips-2]) {
112 translate([0, i*eclip_each_every])
114 linear_extrude(height=eclip_each_len)
115 EclipLPlan(test_alpha);
117 for (j=[0 : 2: test_eclips-1]) {
118 translate([0, j*eclip_each_every])
120 linear_extrude(height=eclip_each_len)
121 EclipRPlan(test_alpha, test_main_th);
124 translate([-r2, -eclip_each_len, -test_base_th]){
129 mirror([0,0,1]) Commitid_BestCount_M([r2*2, test_len]);
134 module TestProtr(){ ////toplevel
136 translate([0,0, test_main_th - eclip_wall_offset])
138 linear_extrude(height=test_len)
139 EclipPPlan(test_main_th);
140 mirror([0,0,1]) Commitid_BestCount_M([test_len, r2]);
144 module TestRAProtr(){ ////toplevel
145 rotate([-90,0,0]) TestProtr();
147 translate([-test_len,
149 -(eclip_ra_offset + test_base_th)])
155 module TestPlanDemo(){
156 color("red") EclipLPlan(test_alpha);
157 color("blue") rotate(test_alpha) EclipPPlan(test_main_th);
158 color("green") EclipRPlan(test_alpha, test_main_th);
161 beta = asin(front_setback / front_height);
163 uf = [-sin(beta), cos(beta)];
164 ur = [ -uf[1], uf[0]];
167 pq = pp + uf*front_height + ur*eclip_ra_offset;
168 pr = [ pq[0] - eclip_base_offset - eclip_wall_offset,
171 echo("uf ur P Q R", uf, ur, pp, pq, pr);
174 polygon([pq, pp, pr]);
177 thicks = [ base_thick, front_thick, back_thick ];
179 module Joins(alpha, objnum, objnum_f, objnum_m) {
180 pitch = (front_width - eclip_each_len) / (num_eclips-1);
182 thm = thicks[objnum_m];
183 stride = (front_width - eclip_each_len) / (num_eclips-1);
185 if (objnum==objnum_f) {
186 for (i=[ 1 : 2 : num_eclips-1 ]) {
187 translate([0, i*stride + eclip_each_len, 0]) {
189 linear_extrude(height=eclip_each_len)
193 for (i=[ 0 : 2 : num_eclips-1 ]) {
194 translate([0, i*stride + eclip_each_len, 0]) {
196 linear_extrude(height=eclip_each_len)
197 EclipRPlan(alpha, thm);
201 if (objnum==objnum_m)
204 linear_extrude(height=front_width)
209 function r3(pc) = [ pc[0], 0, pc[1] ];
211 module ObjectJoins(objnum){
212 translate(r3(pp)) Joins(beta, objnum, 0,1);
213 translate(r3(pr)) mirror([1,0,0]) Joins(0, objnum, 0,2);
214 translate(r3(pq)) rotate([0,90,0]) mirror([1,0,0]) Joins(-beta, objnum, 2,1);
218 xmin = pr[0] - eclip_rhs_offset - thicks[2];
219 xmax = pp[0] + eclip_rhs_offset + thicks[1]
220 + eclip_prong_th * (1/cos(beta) - 1)
221 + eclip_base_offset * tan(beta);
233 -eclip_base_offset - thicks[0]])
239 module FrontPattern(){
240 totalh = front_height - eclip_wall_offset + thicks[1];
242 ystride = front_hex_stride;
243 xstride = front_hex_stride * cos(30) * 2;
246 square([front_width, totalh]);
247 translate([ front_surround_lr,
248 eclip_recept_height ])
249 square([ front_width - front_surround_lr*2,
250 totalh - eclip_recept_height*2
255 square([front_width, totalh]);
256 for (xi=[ 0 : 10 ]) {
257 translate([xi * xstride +
259 front_hex_dia*.25, 0]) {
260 for (yi=[ 0 : 10 ]) {
262 translate([0, yi * ystride]) {
264 [-xstride/2, -ystride/2]
267 circle(r= front_hex_dia/2, $fn=6);
277 rotate([0, 90-beta, 0])
278 translate([0, 0, ppxl])
280 linear_extrude(height=thicks[1])
289 zmax = pq[1] + eclip_prong_th;
290 height = zmax - zmin;
292 translate([pr[0] + eclip_wall_offset - thicks[2],
300 translate([back_pillarw,
303 cube([front_width - back_pillarw*2,
304 height - eclip_recept_height*2 - eclip_prong_th,
312 color("blue") Front();
313 color("black") Back();