[cube = ground]
  <wall.4 = ground>
  type = 2
  editor_icon = 6

[cube = wall1]
  <wall.0 = wall1>
  <wall.1 = wall1>
  <wall.2 = wall1>
  <wall.3 = wall1>
  type = 1
  editor_icon = 12

[cube = w_wood]
  <wall.0 = w_wood>
  <wall.1 = w_wood>
  <wall.2 = w_wood>
  <wall.3 = w_wood>
  type = 1
  editor_icon = 13

[cube = w_books]
  <wall.0 = w_books>
  <wall.1 = w_wood>
  <wall.2 = w_books>
  <wall.3 = w_wood>
  type = 1
  editor_icon = 14


[cube = w_arc1]
  <wall.0 = w_arc1>
  <wall.4 = ground>
  type = 2
  editor_icon = 21

[cube = w_timber]
  <wall.0 = w_timber>
  <wall.4 = ground>
  type = 2
  editor_icon = 22

[cube = w_arc4]
  <wall.0 = w_arc1>
  <wall.1 = w_arc1>
  <wall.2 = w_arc1>
  <wall.3 = w_arc1>
  <wall.4 = ground>
  type = 2
  editor_icon = 20