fairphone-case: wip lanyard, provide ly_o

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/fairphone-case.scad b/fairphone-case.scad
index b467f6027277fd15713d24b0b0a9477458065727..3373304edeabe84936dd5ba9341e784d93ff8ba7 100644 (file)
--- a/fairphone-case.scad
+++ b/fairphone-case.scad
@@ -452,6 +452,7 @@ ly_r = lanyard_half_dia / 2;
 ly_rc = ly_r * 2;
 
 ly_theta = -atan2vector(epp2i - epp1);
+ly_o = epp2i + 3 * ly_r * unitvector2d(epp1 - epp2i);
 
 max_case_bottom_edge_thickness =
   case_th_bottom