Layers:how many rows of bricks
Run:how many bricks in each row
Brickwidth:individual brick width
Brickheight:individual brick height
Brickthickness:individual brick thickness
Mortar:width of mortar lines between bricks
Mortarthickness:thickness of mortar
Shift:0|1, 1=start row has half-bricks on ends
Rand:rotate each brick a random angle between -rand and rand, in degrees
Chamfer:bevel edge of bricks
Filename:name of .stl file, minus th e .stl. Pick something unique, e.g., include your first initial and last name.