3 include <commitid.scad>
11 eclip_prong_th = 2.25;
12 eclip_outer_strt = 0.5;
13 eclip_inner_xstrt = 0.5;
16 eclip_base_epsilon = 0.5;
19 eclip_each_every = 29;
25 test_len = eclip_each_len + eclip_each_every*(test_eclips-1);
33 eclip_inner_strt = eclip_outer_strt + eclip_inner_xstrt;
36 r1 = r0 + eclip_gap_rad;
37 r2 = r1 + eclip_prong_th;
38 r2e = r1 + eclip_base_epsilon;
40 ppxl = -(r0 / sqrt(2)) + (eclip_inner_strt / sqrt(2));
44 eclip_base_offset = r1;
45 eclip_wall_offset = -ppxl;
47 eclip_ra_offset = r2 - 0.1;
49 eclip_rhs_offset = ppxl + rgap + eclip_prong_th;
50 // does not include main_th
54 module EclipLPlanCore(alpha){
55 FArcSegment(0,0, r1,r2,
56 180-eclip_ult_angle, eclip_ult_angle-alpha +1);
62 rotate(-alpha) mirror([1,1]) square([r2e, 50]);
64 rotate(-alpha) mirror([1,1]) square([r2e, r2]);
70 module EclipRPlan(alpha, main_th){
73 translate([ppxl + main_th + rgap, -r2*2])
74 square([eclip_prong_th, r2*(2 + 1/sqrt(2))]);
75 translate([-r2, -r2e])
76 square([r2*3, eclip_base_epsilon + r2*4]);
80 module EclipLPlan(alpha){
81 rotate(alpha) EclipLPlanCore(alpha);
84 module EclipPPlan(main_th){
88 rotate(90-eclip_ult_angle) square([r0,r0]);
90 translate([-(r0+.1), -(r0+.1)])
91 square([(r0+.1) + main_th + ppxl, r2*2]);
93 translate([ppxl, 0]) square([main_th, r2]);
96 module TestBase(){ ////toplevel
97 translate([0,0, eclip_base_offset]){
98 for (i=[1 : 2: test_eclips-2]) {
99 translate([0, i*eclip_each_every])
101 linear_extrude(height=eclip_each_len)
102 EclipLPlan(test_alpha);
104 for (j=[0 : 2: test_eclips-1]) {
105 translate([0, j*eclip_each_every])
107 linear_extrude(height=eclip_each_len)
108 EclipRPlan(test_alpha, test_main_th);
111 translate([-r2, -eclip_each_len, -test_base_th]){
116 mirror([0,0,1]) Commitid_BestCount_M([r2*2, test_len]);
121 module TestProtr(){ ////toplevel
123 translate([0,0, test_main_th - eclip_wall_offset])
125 linear_extrude(height=test_len)
126 EclipPPlan(test_main_th);
127 mirror([0,0,1]) Commitid_BestCount_M([test_len, r2]);
131 module TestRAProtr(){ ////toplevel
132 rotate([-90,0,0]) TestProtr();
134 translate([-test_len,
136 -(eclip_ra_offset + test_base_th)])
142 module TestPlanDemo(){
143 color("red") EclipLPlan(test_alpha);
144 color("blue") rotate(test_alpha) EclipPPlan(test_main_th);
145 color("green") EclipRPlan(test_alpha, test_main_th);
148 beta = asin(front_setback / front_height);
150 uf = [-sin(beta), cos(beta)];
151 ur = [ -uf[1], uf[0]];
154 pq = pp + uf*front_height + ur*eclip_ra_offset;
155 pr = [ pq[0] - eclip_base_offset - eclip_wall_offset,
158 echo("uf ur P Q R", uf, ur, pp, pq, pr);
161 polygon([pq, pp, pr]);
164 thicks = [ 2, 2, 2 ];
166 module Joins(alpha, objnum, objnum_f, objnum_m) {
167 pitch = (front_width - eclip_each_len) / (num_eclips-1);
169 thm = thicks[objnum_m];
170 stride = (front_width - eclip_each_len) / (num_eclips-1);
172 if (objnum==objnum_f) {
173 for (i=[ 1 : 2 : num_eclips-1 ]) {
174 translate([0, i*stride + eclip_each_len, 0]) {
176 linear_extrude(height=eclip_each_len)
180 for (i=[ 0 : 2 : num_eclips-1 ]) {
181 translate([0, i*stride + eclip_each_len, 0]) {
183 linear_extrude(height=eclip_each_len)
184 EclipRPlan(alpha, thm);
188 if (objnum==objnum_m)
191 linear_extrude(height=front_width)
196 function r3(pc) = [ pc[0], 0, pc[1] ];
198 module ObjectJoins(objnum){
199 translate(r3(pp)) Joins(beta, objnum, 0,1);
200 translate(r3(pr)) mirror([1,0,0]) Joins(0, objnum, 0,2);
201 translate(r3(pq)) rotate([0,90,0]) mirror([1,0,0]) Joins(-beta, objnum, 2,1);
205 xmin = pr[0] - eclip_rhs_offset - thicks[2];
206 xmax = pp[0] + eclip_rhs_offset + thicks[1]
207 + eclip_prong_th * (1/cos(beta) - 1)
208 + eclip_base_offset * tan(beta);
220 -eclip_base_offset - thicks[0]])
228 rotate([0, 90-beta, 0])
229 translate([0, 0, ppxl])
232 front_height - (-ppxl) + thicks[1],
242 color("blue") Front();
243 color("black") Back();