3 include <commitid.scad>
15 eclip_inner_rad = 2.5;
17 eclip_prong_th = 2.25;
18 eclip_outer_strt = 0.5;
19 eclip_inner_xstrt = 0.5;
22 eclip_base_epsilon = 0.5;
25 eclip_each_every = 29;
31 test_len = eclip_each_len + eclip_each_every*(test_eclips-1);
39 eclip_inner_strt = eclip_outer_strt + eclip_inner_xstrt;
42 r1 = r0 + eclip_gap_rad;
43 r2 = r1 + eclip_prong_th;
44 r2e = r1 + eclip_base_epsilon;
46 ppxl = -(r0 / sqrt(2)) + (eclip_inner_strt / sqrt(2));
50 eclip_base_offset = r1;
51 eclip_wall_offset = -ppxl;
53 eclip_ra_offset = r2 - 0.1;
55 eclip_recept_height = r2;
57 eclip_rhs_offset = ppxl + rgap + eclip_prong_th;
58 // does not include main_th
62 module EclipLPlanCore(alpha){
63 FArcSegment(0,0, r1,r2,
64 180-eclip_ult_angle, eclip_ult_angle-alpha +1);
70 rotate(-alpha) mirror([1,1]) square([r2e, 50]);
72 rotate(-alpha) mirror([1,1]) square([r2e, r2]);
78 module EclipRPlan(alpha, main_th){
81 translate([ppxl + main_th + rgap, -r2*2])
82 square([eclip_prong_th, r2*(2 + 1/sqrt(2))]);
83 translate([-r2, -r2e])
84 square([r2*3, eclip_base_epsilon + r2*4]);
88 module EclipLPlan(alpha){
89 rotate(alpha) EclipLPlanCore(alpha);
92 module EclipPPlan(main_th){
96 rotate(90-eclip_ult_angle) square([r0,r0]);
98 translate([-(r0+.1), -(r0+.1)])
99 square([(r0+.1) + main_th + ppxl, r2*2]);
101 translate([ppxl, 0]) square([main_th, r2]);
104 module TestBase(){ ////toplevel
105 translate([0,0, eclip_base_offset]){
106 for (i=[1 : 2: test_eclips-2]) {
107 translate([0, i*eclip_each_every])
109 linear_extrude(height=eclip_each_len)
110 EclipLPlan(test_alpha);
112 for (j=[0 : 2: test_eclips-1]) {
113 translate([0, j*eclip_each_every])
115 linear_extrude(height=eclip_each_len)
116 EclipRPlan(test_alpha, test_main_th);
119 translate([-r2, -eclip_each_len, -test_base_th]){
124 mirror([0,0,1]) Commitid_BestCount_M([r2*2, test_len]);
129 module TestProtr(){ ////toplevel
131 translate([0,0, test_main_th - eclip_wall_offset])
133 linear_extrude(height=test_len)
134 EclipPPlan(test_main_th);
135 mirror([0,0,1]) Commitid_BestCount_M([test_len, r2]);
139 module TestRAProtr(){ ////toplevel
140 rotate([-90,0,0]) TestProtr();
142 translate([-test_len,
144 -(eclip_ra_offset + test_base_th)])
150 module TestPlanDemo(){
151 color("red") EclipLPlan(test_alpha);
152 color("blue") rotate(test_alpha) EclipPPlan(test_main_th);
153 color("green") EclipRPlan(test_alpha, test_main_th);
156 beta = asin(front_setback / front_height);
158 uf = [-sin(beta), cos(beta)];
159 ur = [ -uf[1], uf[0]];
162 pq = pp + uf*front_height + ur*eclip_ra_offset;
163 pr = [ pq[0] - eclip_base_offset - eclip_wall_offset,
166 echo("uf ur P Q R", uf, ur, pp, pq, pr);
169 polygon([pq, pp, pr]);
172 thicks = [ base_thick, front_thick, back_thick ];
174 module Joins(alpha, objnum, objnum_f, objnum_m) {
175 pitch = (front_width - eclip_each_len) / (num_eclips-1);
177 thm = thicks[objnum_m];
178 stride = (front_width - eclip_each_len) / (num_eclips-1);
180 if (objnum==objnum_f) {
181 for (i=[ 1 : 2 : num_eclips-1 ]) {
182 translate([0, i*stride + eclip_each_len, 0]) {
184 linear_extrude(height=eclip_each_len)
188 for (i=[ 0 : 2 : num_eclips-1 ]) {
189 translate([0, i*stride + eclip_each_len, 0]) {
191 linear_extrude(height=eclip_each_len)
192 EclipRPlan(alpha, thm);
196 if (objnum==objnum_m)
199 linear_extrude(height=front_width)
204 function r3(pc) = [ pc[0], 0, pc[1] ];
206 module ObjectJoins(objnum){
207 translate(r3(pp)) Joins(beta, objnum, 0,1);
208 translate(r3(pr)) mirror([1,0,0]) Joins(0, objnum, 0,2);
209 translate(r3(pq)) rotate([0,90,0]) mirror([1,0,0]) Joins(-beta, objnum, 2,1);
213 xmin = pr[0] - eclip_rhs_offset - thicks[2];
214 xmax = pp[0] + eclip_rhs_offset + thicks[1]
215 + eclip_prong_th * (1/cos(beta) - 1)
216 + eclip_base_offset * tan(beta);
228 -eclip_base_offset - thicks[0]])
234 module FrontPattern(){
236 front_height - eclip_wall_offset + thicks[1]]);
241 rotate([0, 90-beta, 0])
242 translate([0, 0, ppxl])
244 linear_extrude(height=thicks[1])
253 zmax = pq[1] + eclip_prong_th;
254 height = zmax - zmin;
256 translate([pr[0] + eclip_wall_offset - thicks[2],
264 translate([back_pillarw,
267 cube([front_width - back_pillarw*2,
268 height - eclip_recept_height*2 - eclip_prong_th,
276 color("blue") Front();
277 color("black") Back();