import rhinoscriptsyntax as rs 
import random as ran

#delete everything and start from scratch
allobjs = rs.AllObjects()
rs.DeleteObjects(allobjs)

bsize = 10          # side lenght of box
dist = 1            # distance between boxes 
offs = bsize + dist # offset of boxes 
num = 10       # number of boxes in one row


#create a 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)]

rs.EnableRedraw(False)




for i in range (num):
    for j in range (num):
        if ((i+j)%4) and ((i-j)%4):
            box = rs.AddBox(corners)
            rs.MoveObjects(box,(i*offs,j*offs,0))
            rs.ObjectColor(box,(i*(255/num),j*(255/num),0))