Therion -> export model .3d file Use 3dtopos program from Survex package or open it in Aven (Survex) and export list of coordinates: 3dtopos Name 3dtopos—produce a .pos file from a .3d file Synopsis 3dtopos [options] {.3d file} [.pos file] Description 3dtopos takes a .3d file and produces a .pos file which contains a list of all the stations with coordinates (ordered x,y,z [East, North, Up]) and complete names. The stations are sorted such that numbers occur in the correct order (so “2” before “10”). 3dtopos even sorts numbers with a prefix and/or suffix, so you’d get: 040.sv8 040.sv8a 040.sv8b 040.sv8c 040.sv9 040.sv10 040.sv11 40_entrance_tag 40b_entrance_tag You can also export .pos files from aven in versions 1.2.19 and later.