From a6132869a390c2a1760ac24f18d854b6db3541a9 Mon Sep 17 00:00:00 2001 From: Ian Jackson Date: Tue, 30 Jan 2018 13:27:33 +0000 Subject: [PATCH] fairphone-case: rework hingescrew parameters: reorder and recomment a bit (nfc) Signed-off-by: Ian Jackson --- fairphone-case.scad | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/fairphone-case.scad b/fairphone-case.scad index f248e53..0e1e58e 100644 --- a/fairphone-case.scad +++ b/fairphone-case.scad @@ -76,9 +76,12 @@ catch_slop = 0.50; foldover_gap = 0.50; foldover_lever_gap = 0.50; +// properties of the hinge fasteners hingescrew_shaft_dia = 2.0 + 0.25; // M2 x 12mm machine screw hingescrew_shaft_len = 12; hingescrew_fasteners_extra_thick = 0.40; +// ^ amount of thread protruding if everything was completely nominal +// and we are using two nuts hingescrew_nut_access_dia = 4.72 + 0.50; // ^ washer is 4.72 dia // also, want to get pliers or tiny spanner in to do up locknut @@ -86,12 +89,13 @@ hingescrew_nut_across = 3.92 + 0.25; // incl. slop around recess slop hingescrew_nut_thick = 1.93; hingescrew_head_th = 1.38 + 0.75; hingescrew_head_dia = 3.92; + +hingescrew_nut_recess_portion = 2/3; // portion of nut in recess + lever_cover_th = 0.75; hingemount_th = 2.5; hingemount_wd = 4.8725; -hingescrew_nut_recess_portion = 2/3; // portion of nut in recess - $fa = 5; $fs = 0.1; -- 2.30.2