poster-tube-lid: catch_pin_width fix

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

diff --git a/poster-tube-lid.scad b/poster-tube-lid.scad
index 9fc41ff059d6df2027492208e5aba8f32add4df3..2e11f7949079ddf22289ab82dfc780bf4f0db240 100644 (file)
--- a/poster-tube-lid.scad
+++ b/poster-tube-lid.scad
@@ -145,7 +145,7 @@ catch_cr = catch_knob_dia/2 + catch_stem_beside_gap;
 catch_strap_width = sm_main_width;
 catch_strap_thick = sm_main_thick;
 catch_stem_end_h = catch_stem_h;
-catch_pin_width = (rivet_entry_width * bayo_real_rad / bayo_nom_rad)
+catch_pin_width = (rivet_entry_width * sm_inner_rad / bayo_nom_rad)
                   - catch_pin_gap;
 
 echo("R ", sm_inner_rad, bayo_real_rad, bayo_nom_rad);