Properties

Decoration properties share the same properties as items and a few of blocks, like solid and pushReaction

Example of properties:

{
  "properties": {
    "rotate": false,
    "rotateSmooth": false,
    "placement": {
      "floor": true, 
      "wall": false, 
      "ceiling": false
    },
    "glow": false,
    "waterloggable": true,
    "solid": false,
    "display": "fixed",
    "blockBase": "minecraft:stone",
    "useItemParticles": true,
    "showBreakParticles": true
  }
}

rotate:

Boolean (true/false) indicating whether the decoration can rotate (90° intervals)

Defaults to false

rotateSmooth:

Boolean (true/false) indicating whether the decoration can rotate in 45° intervals

Defaults to false

placement:

A set of options for placement options. Possible keys: "floor", "wall", "ceiling".

Default values:

{
  "placement": {
    "floor": true,
    "wall": false,
    "ceiling": false
  }
}

glow:

Boolean (true/false) indicating whether the decoration ignores ambient light and assumes light level 15.

Defaults to false

waterloggable:

Boolean (true/false) indicating whether the decoration blocks can be waterlogged.

Defaults to true

solid:

Boolean (true/false) indicating whether the decoration is solid - can be flushed away by water if set to false.

Defaults to true

display:

Changes the item_display value used for the Item Display Entity of the decoration.

Can be none, thirdperson_lefthand, thirdperson_righthand, firstperson_lefthand, firstperson_righthand, head, gui, ground, and fixed.

Defaults to fixed.

showBreakParticles

Flag whether to show break particles.

Defaults to true

blockBase

Used for place & break sounds and particles if useItemParticles is set to false

Defaults to minecraft:stone

useItemParticles

Flag whether to use item particles. Uses the particles of the block defined in blockBase if set to false.

Defaults to true

showBreakParticles

Flag whether to show break particles at all.

Defaults to true