import rhinoscriptsyntax as rs
import random as ran

#deleting and starting from scratch
allobjs = rs.AllObjects()
rs.DeleteObjects(allobjs)

bsize = 10               #side length of box
dist = 1                #distance between boxes
offs = bsize+dist       #offset of boxes
num = 10

#parameters of the box
corners = [(0,0,0), (bsize,0,0), (bsize,bsize,0), (0,bsize,0), (0,0,bsize), (bsize,0,bsize), (bsize,bsize,bsize), (0,bsize,bsize)]

#gotta be fast
rs.EnableRedraw(False)

#creating the box and the pattern
for x in range(num):
    for y in range(num):
        for z in range(num):
            #myran = ran.randint(1,10)
            if (((x == 0) and (y == 0)) or ((x == 0) and (z == 0)) or 
                ((y == 0) and (z == 0)) or ((x == num-1) and (y == num-1)) or 
                ((x == num-1) and (z == num-1)) or ((y == num-1) and (z == num-1)) or 
                ((x == 0) and (y == num-1)) or ((x == 0) and (z == num-1)) or 
                ((y == 0) and (z == num-1)) or ((y == num-1) and (z == 0)) or ((x == num-1) and (z == 0)) or ((x == num-1) and (y == 0))):
                box = rs.AddBox(corners)
                rs.MoveObject(box, (x*offs,y*offs,z*offs))