fairphone-case: introduce and adjust lid_screen_gap_extra (from mk2 v3)

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

diff --git a/fairphone-case.scad b/fairphone-case.scad
index 4f109dfb0c63bd958b3c0a73ae6d12c2047b4f07..f3d260daedabc5f5c0b17357c3ec35f3f92dd284 100644 (file)
--- a/fairphone-case.scad
+++ b/fairphone-case.scad
@@ -62,6 +62,8 @@ case_th_lid = 3.0;
 case_th_side = 2;
 case_th_lip = 1.2;
 
+lid_screen_gap_extra = .66;
+
 case_struts_count = 6;
 case_struts_solid_below = 1.00;
 case_struts_solid_above = 0.75;
@@ -201,7 +203,8 @@ lpp14 = lpp10 + [1,0] * keeper_inner_width;
 // exact x posn not very important; must extend past end of keeper
 
 lpp15 = [ lpp14[0],
-         epp0[1] - phone_rim_depth + 1/2.5 * case_th_lid ];
+         epp0[1] - phone_rim_depth + 1/2.5 * case_th_lid
+         + lid_screen_gap_extra ];
 // ^ beam theory says to maximise force before contact,
 //   the gap below the `beam' (the lid) must be 1/3
 //   the thickness (ie the lid thickness) if the beam