wall_post.json

{
  "parent": "block/block",
  "textures": {
	"particle": "#wall"
  },
  "elements": [
	{   "from": [ 4, 0, 4 ],
	  "to": [ 12, 16, 12 ],
	  "faces": {
		"down":  { "texture": "#wall", "cullface": "down" },
		"up":    { "texture": "#wall", "cullface": "up"   },
		"north": { "texture": "#wall" },
		"south": { "texture": "#wall" },
		"west":  { "texture": "#wall" },
		"east":  { "texture": "#wall" }
	  },
	  "__comment": "Center post"
	}
  ]
}