chiark / gitweb /
fairphone-case: rework hingescrew parameters: rename hingescrew_nut_access_dia (nfc)
authorIan Jackson <ijackson@chiark.greenend.org.uk>
Tue, 30 Jan 2018 13:05:19 +0000 (13:05 +0000)
committerIan Jackson <ijackson@chiark.greenend.org.uk>
Tue, 30 Jan 2018 13:05:21 +0000 (13:05 +0000)
and add a comment

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

index 56c3e4e..875f39a 100644 (file)
@@ -79,7 +79,9 @@ foldover_lever_gap = 0.50;
 hingescrew_shaft_dia = 2.0 + 0.25; // M2 x 12mm machine screw
 hingescrew_shaft_len = 12;
 hingescrew_nut_thick = 1.93 + 0.20; // incl. washer
-hingescrew_nut_dia = 4.72 + 0.50; // washer, actually
+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
 hingescrew_nut_across = 3.92 + 0.25; // incl. slop around recess slop
 hingescrew_nut_thick_real = 1.93;
 hingescrew_head_th = 1.38 + 0.75;
@@ -198,7 +200,7 @@ bppV = lpp11;
 bppW = lpp10;
 
 // hinge plan
-hp_rn = hingescrew_nut_dia/2;
+hp_rn = hingescrew_nut_access_dia/2;
 hp_r2_min = hp_rn + lever_cover_th;
 hp_rs = hingescrew_shaft_dia/2;
 hp_r1_min = hp_rs + hingemount_th;