OOGL source for complete tight surface:

{
  appearance
  {
    +edge
    linewidth 3
    shading constant
  }

OFF
13 20 0

 -2      0      0
  0      0      0
  1      0      0
  0      1      0
 -2     -1      2
  1     -1      2
  1      1      2
  0      3      2
 -0.375  0      0.5
  0.5    0.25   1
 -0.25   0.583  1.167
  0      0.75   1.167
  0.25   0      0.5

3    0   1  10      255  95   0
3    1   6  10      255  95   0
3    1   6   9       95  99 243
3    1   8   9      214 235   0
3    6   9   5       87 130 191
3    0   3  11      144  91 226
3    0  10  11       94 138 169
3    3  11   2      255  63   0
3   11   5  12      199  68 170
3    2  11  12      255  51   0
3    8   9   7      189 222   0
3    8   4   7      214 234   0
3    1   2   8      242  15  38
3    2  12   8      242  15  38
3    8   5  12      177 216   0
3    8   4   5      177 216   0
3   10  11   7      255 197   0
3   11   7   9      254   0   0
3   11   9   5      255 206   0
3    6  10   7      180  85 213

}