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 = 5                #distance between boxes
offs = bsize+dist       #offset of boxes
num =40

#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):
        #corners
        if (x<5 and y<1) or (y<5 and x<1) or (y>(num-6) and x<1) or (y>(num-2) and x<5) or (x>(num-6) and y<1) or (x>(num-2) and y<5) or (x>(num-2) and y>(num-6)) or (x>(num-6) and y>(num-2)):
            box = rs.AddBox(corners)
            rs.MoveObject(box, (x*offs,y*offs,0))
        #diagonals
        if x == y:
            box = rs.AddBox(corners)
            rs.MoveObject(box, (x*offs,y*offs,0))
        if y == (num - 1 - x):
            box = rs.AddBox(corners)
            rs.MoveObject(box, (x*offs,y*offs,0))
        #horizontal and vertical
        if ((x == (num/2)) or x == (num/2-1)) and y%3:
            box = rs.AddBox(corners)
            rs.MoveObject(box, (x*offs,y*offs,0))
        if ((y == (num/2)) or y == (num/2-1)) and x%3:
            box = rs.AddBox(corners)
            rs.MoveObject(box, (x*offs,y*offs,0))