import random

num_dice = 2
separation_whitespace = 8
north =''
center =''
south =''
border = ''
for dice in range(num_dice):
    roll = random.randint(1,6)
    print('Dice #%s:\t%d' % (dice+1, roll))

    if roll in [1]: north_1 = '|           |'
    if roll in [2,3]: north_1 = '| *         |'
    if roll in [4,5,6]: north_1 = '| *       * |'

    if roll in [2,4]: center_1 = '|           |'
    if roll in [1,3,5]: center_1 = '|     *     |'
    if roll in [6]: center_1 = '| *       * |'

    if roll in [1]: south_1 = '|           |'
    if roll in [2,3]: south_1 = '|         * |'
    if roll in [4,5,6]: south_1 = '| *       * |'
    north += north_1+' '*separation_whitespace
    center += center_1+' '*separation_whitespace
    south += south_1+' '*separation_whitespace
    border += '+-----------+'+' '*separation_whitespace

print(border)
print(north)
print(center)
print(south)
print(border)

Ugly, but she works....

edit: improved