Craft Construct

The creature can create golems and other magic automatons that obey its orders.
Prerequisites: Craft Magic Arms and Armor, Craft Wondrous Item.
Benefit: A creature with this feat can create any construct whose prerequisites it meets. Enchanting a construct takes one day for each 1,000 gp in its market price. To enchant a construct, a spellcaster must spend 1/25 the item’s price in XP and use up raw materials costing half of this price.
A creature with this feat can repair constructs that have taken damage. In one day of work, the creature can repair up to 20 points of damage by expending 50 gp per point of damage repaired. A newly created construct has average hit points for its Hit Dice.

Constructs Which Can Be Made

Monster	Type	CR	Note	Cost to Build	Source
Alchemy Beetle	Small Construct	2	A construct beetle which possibly explodes when destroyed, can be acid, cold, electricity or fire.	4,000gp + 240 xp	Secrets of Xen'Drik
Clay Golem	Large Construct	10	Has a 1% chance of going on a berserk killing spree with no way to regain control; Damage done by a clay golem cannot be healed normally; Immune to any spell that allows spell resistance; and can cast haste 1/day.	21,500 gp + 1,540 XP	MM1
Flesh Golem	Large Construct	7	1% Berserk chance, but if creator is nearby it may be able to re-establish control, Immunity to Magic	10,500 gp + 780 XP	MM1
Homunculus	Tiny Construct	1	Not to be confused with the EbCS Homunculi such as the Iron Defender, a miniature servant which carries out a wizard's tasks. Killing one deals 2d10 damage to it's master. Has a poison ability which puts those affected to sleep, Fort DC 13	1,050 gp + 78 XP, +2,000gp per additional HD	MM1
Iron Golem	Large Construct	13	Breath weapon (10 ft cube poisonous gas, 1d4 Con/3d4 Con, Fort 19 Negates); Immunity to Magic	80,000 gp + 5,600 XP	MM1
Shield Guardian	Large Construct	8	Fast Healing 5, Shield Other, Spell Storing (1x 4th level or lower) Note: Amulet; If it's amulet is destroyed it ceases to function until another is made, which costs 20,000gp	65,000gp + 4,600 XP, for each additional HD +5,000gp, +20,000 gp if made Huge	MM1
Stone Golem	Large Construct	11	Slow spell every 2 rounds, Will DC 17, Immunity to Magic	50,000gp + 3,400 XP	MM1
Greater Stone Golem	Huge Construct	16	Slow spell every 2 rounds, Will DC 17, Immunity to Magic	105,000gp + 7,640 XP	MM1