thread-internal-test: wip, testing M4

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

diff --git a/thread-internal-test.scad b/thread-internal-test.scad
index a1fb5b746ebc455dec341811a79289331aff6b15..1fd678f458becfb6e20a57d7b71d18bf03d75438 100644 (file)
--- a/thread-internal-test.scad
+++ b/thread-internal-test.scad
@@ -6,9 +6,9 @@ include <utils.scad>
 // https://en.wikipedia.org/wiki/ISO_metric_screw_thread
 
 // M6
-thread_nom = 6;
-thread_pitch = 1.00;
-thread_act = thread_nom - 0.300;
+thread_nom = 4;
+thread_pitch = 0.70;
+thread_act = thread_nom + 0.250;
 head_size = 10;
 
 thread_len = 12.5;