From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sat, 25 May 2013 14:49:28 +0000 (+0100)
Subject: tube-crossdrill-jig: move mainframe holes to middle of slots
X-Git-Tag: filamentspool-v2-release~565
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=29e09ec262cc95049180dea009757b5a036cf52e;p=reprap-play.git

tube-crossdrill-jig: move mainframe holes to middle of slots
---

diff --git a/tube-crossdrill-jig.scad b/tube-crossdrill-jig.scad
index 4e80849..72da7c0 100644
--- a/tube-crossdrill-jig.scad
+++ b/tube-crossdrill-jig.scad
@@ -47,10 +47,11 @@ slotwidthx = slotwidth * slotslopediag;
 slotxperlen = slotslope / slotslopediag;
 slotyperlen =         1 / slotslopediag;
 
-mainframeholex = backslotedgespace/2 + slotwidth/sqrt(2) +
-  backslotmid2screwhole / sqrt(2);
+mainframeholex = backslotedgespace/2 + slotpluglongerlen * slotxperlen
+  + 0.5 * slotwidth * slotyperlen;
 
-mainframeholey = -backslotmid2screwhole / sqrt(2);
+mainframeholey = -slotpluglongerlen * slotyperlen
+  + 0.5 * slotwidth * slotxperlen;
 
 mainframemaxx = mainframeholex + mainframeextraside;
 mainframeminy = mainframeholey - mainframeextrafront;