From 8bb5c482a9bd46812df2d487e737d7f1779d5b07 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Tue, 30 Jan 2018 13:15:41 +0000
Subject: [PATCH] fairphone-case: rework hingescrew parameters: add even better
 to can easily check nfc

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---
 fairphone-case.scad | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/fairphone-case.scad b/fairphone-case.scad
index fbbbf99..7df7f3b 100644
--- a/fairphone-case.scad
+++ b/fairphone-case.scad
@@ -238,11 +238,15 @@ hex24 = hex20 + hingescrew_shaft_len + hinge_x_postscrew_gap;
 
 echo(hex20, hex21, hex22, hex23, hex24);
 //  6, 10.8725, 10.9975, 13.74, 18.75
-echo(hex20 - 6,
-     hex21 - 10.8725,
-     hex22 - 10.9975,
-     hex23 - 13.74,
-     hex24 - 18.75);
+module chk(act,exp) {
+  if (abs(act-exp) > 1e-9) echo("WRONG", act, exp);
+  else echo("ok", act);
+}
+chk(hex20, 6);
+chk(hex21, 10.8725);
+chk(hex22, 10.9975);
+chk(hex23, 13.74);
+chk(hex24, 18.75);
 //echo(hingescrew_portion_len);
 
 // catch
-- 
2.30.2