"I want to put 2500 1mm holes (not vias) in a 1mm or thinner pcb. Is there a pcb manufacturing service that might do this for small orders? Any other ideas? Right now I am doing it by hand and making very slow, irregular progress. ~2mm apart." ex: http://superkuh.ath.cx/users/superkuh/Library/000-Physics/Muon%20Detection/0-Thick%20Gas%20Electron%20Multipliers/thgem_drillpattern.png - Bryan http://heybryan.org/ 1 512 203 0507 -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist