poster-tube-lid: revert many size changes, from v3

v3 broke due to being too stiff and having not enough slop
basically go back to v2 in many respects

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

diff --git a/poster-tube-lid.scad b/poster-tube-lid.scad
index 7689a6b723b0e2df8b857f6af52deffcfcf6be0e..08127cde3bd7f137113fe1c0e384a143b9e21f1a 100644 (file)
--- a/poster-tube-lid.scad
+++ b/poster-tube-lid.scad
@@ -77,13 +77,13 @@ sm_bolt_y_over = 0.5;
 
 sm_closure_cnr = 3.0;
 
-catch_stalk_h = 5.0;
+catch_stalk_h = 4.5;
 catch_stalk_len = 50;
-catch_tip_th = 6;
+catch_tip_th = 4;
 catch_head_th = 3;
 
 catch_pin_slop = 0.25; // each side, and above
-catch_pin_slop_x_extra = -0.55; // only on one side
+catch_pin_slop_x_extra = 0.0; // only on one side
 catch_stalk_above_gap = 1.5;
 catch_stalk_eff_bend_rad = catch_stalk_len * 0.75;