This is MetaPost, version 1.208 (kpathsea version 5.0.0) (mem=mpost 2012.09.09) 9 SEP 2012 19:52 **multihiggs2.mp (./multihiggs2.mp (/usr/share/texmf/metapost/feynmf/feynmp.mp) [1] ) Here is how much of MetaPost's memory you used: 2575 strings out of 2977 7931 string characters out of 11932 23637 words of memory out of 3000000 893 symbolic tokens out of 16384 14i,71n,28p,107b,3f stack positions out of 300i,84n,10000p,200b,15f 21 string compactions (moved 110397 characters, 24556 strings) 1 output file written: multihiggs2.1