I got a rock, which is triangle methode,
I would like to have a solution for my problem with the textures,
take a look to the file .rmf cs1.6
https://mega.co.nz/#F!mlJVSYqS!LxJpRUl1ZhhrU1odfuda9g
i do not really know how to fix it with an easy way. you may totally change the rock if it still looks like one !