treefoiL: shape of small one

from email from Simon Tatham

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

diff --git a/treefoil.scad.pl b/treefoil.scad.pl
index f206f2ea669b87a9d36aa96b4ef96c46346889db..9a84a782d27bc69b3c98cf41710ab74e688851d7 100755 (executable)
--- a/treefoil.scad.pl
+++ b/treefoil.scad.pl
@@ -10,6 +10,8 @@ xyyZZYYXYxxyzYYZXzzxyXXYXXXZxxxyyXXZyyyzXXzz
 zxxYYXXZXzzxyXXYZyyzxZZXZZZYzzzxxZZYxxxyZZyy
 yzzXXZZYZyyzxZZXYxxyzYYZYYYXyyyzzYYXzzzxYYxx
 END
+# simple version (unknotted, [0,1,2]^3):
+# YxxyzYYZXzzxyXXYZyyzxZZX
 
 sub o { print @_ or die $!; }