http://www.dakkadakka.com/dakkaforum/posts/list/8.page JForum - http://www.jforum.net http://www.dakkadakka.com/dakkaforum/posts/preList/763945/10154879.page http://www.dakkadakka.com/dakkaforum/posts/preList/763945/10154879.page GMT tac or the the like, dry fit again, and use the resulting mark (either a raised section of poster tac, or where the paint isn't) to drill your hole. Also, slightly overbore holes (enough where the pin can just wiggle a bit) and the flexibility of metal wire can help compensate for errors.]]> http://www.dakkadakka.com/dakkaforum/posts/preList/763945/10154966.page http://www.dakkadakka.com/dakkaforum/posts/preList/763945/10154966.page GMT