3 include <commitid.scad>
10 front_hex_stride = 12.5;
13 front_hex_y_fudge = -0.65;
22 eclip_inner_rad = 2.5;
24 eclip_prong_th = 2.25;
25 eclip_outer_strt = 0.5;
26 eclip_inner_xstrt = 0.5;
29 eclip_base_epsilon = 0.5;
32 eclip_each_every = 29;
38 test_len = eclip_each_len + eclip_each_every*(test_eclips-1);
46 eclip_inner_strt = eclip_outer_strt + eclip_inner_xstrt;
49 r1 = r0 + eclip_gap_rad;
50 r2 = r1 + eclip_prong_th;
51 r2e = r1 + eclip_base_epsilon;
53 ppxl = -(r0 / sqrt(2)) + (eclip_inner_strt / sqrt(2));
57 eclip_base_offset = r1;
58 eclip_wall_offset = -ppxl;
60 eclip_ra_offset = r2 - 0.1;
62 eclip_recept_height = r2;
64 eclip_rhs_offset = ppxl + rgap + eclip_prong_th;
65 // does not include main_th
69 module EclipLPlanCore(alpha){
70 FArcSegment(0,0, r1,r2,
71 180-eclip_ult_angle, eclip_ult_angle-alpha +1);
77 rotate(-alpha) mirror([1,1]) square([r2e, 50]);
79 rotate(-alpha) mirror([1,1]) square([r2e, r2]);
85 module EclipRPlan(alpha, main_th){
88 translate([ppxl + main_th + rgap, -r2*2])
89 square([eclip_prong_th, r2*(2 + 1/sqrt(2))]);
90 translate([-r2, -r2e])
91 square([r2*3, eclip_base_epsilon + r2*4]);
95 module EclipLPlan(alpha){
96 rotate(alpha) EclipLPlanCore(alpha);
99 module EclipPPlan(main_th){
103 rotate(90-eclip_ult_angle) square([r0,r0]);
105 translate([-(r0+.1), -(r0+.1)])
106 square([(r0+.1) + main_th + ppxl, r2*2]);
108 translate([ppxl, 0]) square([main_th, r2]);
111 module TestBase(){ ////toplevel
112 translate([0,0, eclip_base_offset]){
113 for (i=[1 : 2: test_eclips-2]) {
114 translate([0, i*eclip_each_every])
116 linear_extrude(height=eclip_each_len)
117 EclipLPlan(test_alpha);
119 for (j=[0 : 2: test_eclips-1]) {
120 translate([0, j*eclip_each_every])
122 linear_extrude(height=eclip_each_len)
123 EclipRPlan(test_alpha, test_main_th);
126 translate([-r2, -eclip_each_len, -test_base_th]){
131 mirror([0,0,1]) Commitid_BestCount_M([r2*2, test_len]);
136 module TestProtr(){ ////toplevel
138 translate([0,0, test_main_th - eclip_wall_offset])
140 linear_extrude(height=test_len)
141 EclipPPlan(test_main_th);
142 mirror([0,0,1]) Commitid_BestCount_M([test_len, r2]);
146 module TestRAProtr(){ ////toplevel
147 rotate([-90,0,0]) TestProtr();
149 translate([-test_len,
151 -(eclip_ra_offset + test_base_th)])
157 module TestPlanDemo(){
158 color("red") EclipLPlan(test_alpha);
159 color("blue") rotate(test_alpha) EclipPPlan(test_main_th);
160 color("green") EclipRPlan(test_alpha, test_main_th);
163 beta = asin(front_setback / front_height);
165 uf = [-sin(beta), cos(beta)];
166 ur = [ -uf[1], uf[0]];
169 pq = pp + uf*front_height + ur*eclip_ra_offset;
170 pr = [ pq[0] - eclip_base_offset - eclip_wall_offset,
173 echo("uf ur P Q R", uf, ur, pp, pq, pr);
176 polygon([pq, pp, pr]);
179 thicks = [ base_thick, front_thick, back_thick ];
181 module Joins(alpha, objnum, objnum_f, objnum_m) {
182 pitch = (front_width - eclip_each_len) / (num_eclips-1);
184 thm = thicks[objnum_m];
185 stride = (front_width - eclip_each_len) / (num_eclips-1);
187 if (objnum==objnum_f) {
188 for (i=[ 1 : 2 : num_eclips-1 ]) {
189 translate([0, i*stride + eclip_each_len, 0]) {
191 linear_extrude(height=eclip_each_len)
195 for (i=[ 0 : 2 : num_eclips-1 ]) {
196 translate([0, i*stride + eclip_each_len, 0]) {
198 linear_extrude(height=eclip_each_len)
199 EclipRPlan(alpha, thm);
203 if (objnum==objnum_m)
206 linear_extrude(height=front_width)
211 function r3(pc) = [ pc[0], 0, pc[1] ];
213 module ObjectJoins(objnum){
214 translate(r3(pp)) Joins(beta, objnum, 0,1);
215 translate(r3(pr)) mirror([1,0,0]) Joins(0, objnum, 0,2);
216 translate(r3(pq)) rotate([0,90,0]) mirror([1,0,0]) Joins(-beta, objnum, 2,1);
220 xmin = pr[0] - eclip_rhs_offset - thicks[2];
221 xmax = pp[0] + eclip_rhs_offset + thicks[1]
222 + eclip_prong_th * (1/cos(beta) - 1)
223 + eclip_base_offset * tan(beta);
235 -eclip_base_offset - thicks[0]]){
240 translate([xmax-xmin, front_width]/2)
247 module FrontPattern(){
248 totalh = front_height - eclip_wall_offset + thicks[1];
250 ystride = front_hex_stride;
251 xstride = front_hex_stride * cos(30) * 2;
254 square([front_width, totalh]);
255 translate([ front_surround_lr,
256 eclip_recept_height ])
257 square([ front_width - front_surround_lr*2,
258 totalh - eclip_recept_height*2
263 square([front_width, totalh]);
264 for (xi=[ -5 : 5 ]) {
265 translate([front_width/2 +
268 for (yi=[ 0 : 10 ]) {
270 translate([0, yi * ystride +
271 front_hex_dia*front_hex_y_fudge]) {
273 [-xstride/2, -ystride/2]
276 circle(r= front_hex_dia/2, $fn=6);
286 rotate([0, 90-beta, 0])
287 translate([0, 0, ppxl])
289 linear_extrude(height=thicks[1])
298 zmax = pq[1] + eclip_prong_th;
299 height = zmax - zmin;
301 translate([pr[0] + eclip_wall_offset - thicks[2],
309 translate([back_pillarw,
312 cube([front_width - back_pillarw*2,
313 height - eclip_recept_height*2 - eclip_prong_th,
319 module BackPrint(){ ////toplevel
320 rotate([0,-90,0]) Back();
323 module FrontPrint(){ ////toplevel
324 rotate([0, 90+beta, 0]) Front();
327 module BasePrint(){ ////toplevel
333 color("blue") Front();
334 color("black") Back();