nevermind i found it in the forum 
< base_url >/topic/11859-modmatrix-eagle-board/?do=embed&embedComment=105407&embedDo=findComment#comment-105407
Hi,
has anybody made a brd-file (or any other board design file) for the modulation matrix (leds+buttons) like in the default frontpanel template (7x8)? I don’t like the idea of a 3d verobord construction and my layout skills are very limited.
Double sided is no problem
Thx in advance,
phil