Abstract: A jig arrangement and method of using a jig arrangement for assisting a bricklayer in constructing a brick pillar or column in which the jig has two main subassemblies. The first of the subassemblies comprises four corner members alternately arranged with four side elements to form a square which can be adjusted in size to the size of the cross-section of the pillar for use in forming a perfect square from the base layer of bricks by defining the boundary of the square of bricks by simply locating the bricks within the square frame. The second subassembly is adjustable length extension members which are fitted to the square frame by adjustable legs at each corner for forming the boundary of the sides of the pillar as successive layers of bricks are layed.