Draw a rectangle (20' x 15'). Select the face. Go to 1001bit toolbar > Site Tools > "Create Slab". Set thickness to 6" and footing depth to 12". Click generate. You now have a foundation with spread footings.
Draw a rectangle on top of the slab. Use the "Wood Framing" tool. Select "Deck Joist". Set spacing to 16" OC, direction along the length. The plugin will generate all joists, rim joists, and blocking automatically.
By integrating this tool into your daily workflow, you stop fighting with SketchUp’s native limitations and start focusing on design. Download the free version today, test the stair generator, and watch your productivity soar. SketchUp plugin 1001bit, 1001bit Pro review, architectural SketchUp plugins, parametric stairs SketchUp, wood framing extension, SketchUp roof trusses.
Use the "Line Array" tool (a 1001bit utility). Select a 5.5" wide board. Array it across the joists with a 1/8" gap. In 3 clicks, you have realistic decking.