// -*- C -*-

eclip_inner_rad = 2.5;
eclip_gap_rad = 0.5;
eclip_prong_th = 3;
eclip_outer_strt = 0.5;
eclip_inner_xstrt = 0.5;

// calculated

eclip_inner_strt = eclip_outer_strt + eclip_inner_xstrt;

r0 = eclip_inner_rad;
r1 = r0 + eclip_inner_rad;
r2 = r1 + eclip_prong_th;

module EclipLPlanCore(alpha){
  difference(){
    circle(r = r2);
    circle(r = r1);
  }
}

EclipLPlanCore(10);