Placing House Add-On's, by Levi and Candy
Introduction Tailoring Add-Ons: Loom | Spinning Wheel | Small Bed | Large Bed | Pickpocket's Dip | Training Dummy   Smithing Add-Ons: Anvil | Small Forge | Large Forge   Tinkering Add-Ons: Stone Oven | Flour Mill   Magery Add-Ons: Stone Altar (Abattoir) | Red Pentagram

Stone Altar (Abattoir)
Size of object: 3 tile x 3 tiles
Direction object extends from targeted tile: N/A
Notes and personal observations:

Remember items may not be locked down on the stone alter.