Scad module to create a brick-style texture in a flat surface.

Use the module to create the desired brick (technically mortar) pattern, then use difference to apply it to a flat surface to create a brick like effect.

Parameter list: //width - width of the texture (starts a 0 x and goes positive) //height - height of the texture (starts at 0 z and goes positive) //brickwidth - width of a brick //brickheight - height of a brick //mortarthick - thickness of the mortar line //mortardeep - depth of the mortar (starts at 0 and goes positive)