the orientation of the pattern is identical for every group 27 on the stud this identicalness permits horizontal beams to be attached to vertical beams see fig8 and the horizontal beams will be level if the vertical beams have been made plumb the exact spacing and location of small holes 13 in each pattern is not critical so long as each pattern is identical so as to be aligned with other holes in other beams or tabs spacing between adjacent groups 27 may be selected as desired although it is preferred to be about 3 6 inches most desirably about 4 inches large holes 14 are expected to be used for guiding and supporting plumbing lines and electric lines holes 14 are expected to be about 1 11 2 inch in diameter preferably about 11 4 inch the spacing between adjacent holes 14 is also not critical and preferably is about 2 feet a preferred arrangement is shown in fig1 with the first hole spacing 36 at each end of stud 10 being about 1 foot from the end 19 and all remaining spacings 31 being about 2 feet at each end of each wall 16 and 17 there are tabs 15 of various sizes and arrangements that are used for attaching stud 10 to other construction pieces for example in fig1 tabs 15 provide integral means for attaching stud 10 to top plate 11 and the bottom plate.