eclip_outer_strt = 0.5;
eclip_inner_xstrt = 0.5;
+eclip_ult_angle = 44;
+eclip_base_epsilon = 0.5;
+
+test_alpha = 10;
+test_main_th = 1.5;
+
// calculated
+include <utils.scad>
+
eclip_inner_strt = eclip_outer_strt + eclip_inner_xstrt;
r0 = eclip_inner_rad;
-r1 = r0 + eclip_inner_rad;
+r1 = r0 + eclip_gap_rad;
r2 = r1 + eclip_prong_th;
+r2e = r1 + eclip_base_epsilon;
+
+ppxl = -(r0 / sqrt(2)) + (eclip_inner_strt / sqrt(2));
+
+rgap = eclip_gap_rad;
+
+$fn=70;
module EclipLPlanCore(alpha){
+ FArcSegment(0,0, r1,r2,
+ 180-eclip_ult_angle, eclip_ult_angle-alpha +1);
+
difference(){
- circle(r = r2);
- circle(r = r1);
+ hull(){
+ intersection(){
+ circle(r2);
+ rotate(-alpha) mirror([1,1]) square([r2e, 50]);
+ }
+ rotate(-alpha) mirror([1,1]) square([r2e, r2]);
+ }
+ circle(r1);
}
}
-EclipLPlanCore(10);
+module EclipRPlan(alpha, main_th){
+ rotate(alpha)
+ translate([ppxl + main_th + rgap, -r2*2])
+ square([eclip_prong_th, r2*(2 + 1/sqrt(2))]);
+}
+
+module EclipLPlan(alpha){
+ rotate(alpha) EclipLPlanCore(alpha);
+}
+
+module EclipPPlan(main_th){
+ intersection(){
+ hull(){
+ circle(r0);
+ rotate(90-eclip_ult_angle) square([r0,r0]);
+ }
+ translate([-(r0+.1), -(r0+.1)])
+ square([(r0+.1) + main_th + ppxl, r2*2]);
+ }
+ translate([ppxl, 0]) square([main_th, r2]);
+}
+
+rotate(-test_alpha){
+color("red") EclipLPlan(test_alpha);
+color("blue") rotate(test_alpha) EclipPPlan(test_main_th);
+color("green") EclipRPlan(test_alpha, test_main_th);
+}