Save the file as WoodFloor.pat and put it where AutoCAD can find it. Use a plumb bob and marking paint to show where to dig post holes or place footings. Using batter boards and mason line, apply the 3-4-5 method to create a grid that is square with one or more sides of the existing deck. Here is the pattern file, and you will notice that at the end, instead of a blank line, one can put a line starting with a * and then one can put a credit for the creator. Make sure the joist hangers are rated for outdoor exposure and are compatible with pressure-treated lumber. Variety of lengths & widths available, custom cutting services available. Distributor of construction & architectural grade lumber, softwood & hardwood. One cannot have a completely random hatch pattern, but if the repeat spacing is large enough, the eye can get fooled. Schiller Park, IL Distributor, Manufacturer, Service Company 5 - 9. wood, unit pavers and asphalt type).3 On or adjacent to public property. It is based on a plank width of 150 drawing units, and lengths to suit your picture. pressure determined by the responsible engineer may differ from the Performance. I had a quiet afternoon so I wrote a pattern file for a Wood Flooring Hatch.