poster-tube-lid: new shape, fix balls

diff --git a/poster-tube-lid-parametric.scad.pl b/poster-tube-lid-parametric.scad.pl
index a6ffaf2aafe0d3911ff03cf2572417ffb5bec452..be5f17ba4c5afa15d1335e75b64c92f4edbadf93 100755 (executable)
--- a/poster-tube-lid-parametric.scad.pl
+++ b/poster-tube-lid-parametric.scad.pl
@@ -81,18 +81,18 @@ sub point ($$$$) {
        $i_j_y_angle = $sine_angle;
        my $angle = $it * TAU/4;
        my $dx = sin($angle) * $ballend_xr;
-       $i_offset = V( -$lin_len -$sine_len - $dx,
+       $i_offset = V( -$lin_len -$sine_len - $dx * cos($sine_angle),
                       0,
-                      +$sine_height
+                      +$sine_height + $dx * sin($sine_angle)
                     );
        $i_thickscale = cos($angle);
     } else {
        die "$ip ?";
     }
 
-    $i_j_y_vect = V( sin($i_j_y_angle),
-                    0,
-                    cos($i_j_y_angle ));
+    my $i_j_y_vect = V( sin($i_j_y_angle),
+                       0,
+                       cos($i_j_y_angle ));
 
     my $j_plus_th = $jp =~ m/2$/ ? $thick : 0;