Step 4: Drill a hole for the rope

Flip the seat so that it’s faceup. Draw two diagonal lines from corner to corner, making an X. As if cutting a pie, draw another X over it, for eight equal slices. Put the point of a compass at the center, then draw the largest circle that will fit on the seat.

Clamp the seat to the worktable. Using a drill/driver fitted with a 1-inch spade bit, drill a hole for the rope at the center of the seat.

Hey, Kids! This is a great way to learn about circles, squares, and diameters.
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    Tools List

    • 16-foot tape measure
      Tape Measure
    • combination square
      Combination square
    • bar clamps
      Bar clamps
    • jigsaw
    • drill
      Drill/driver fitted with 3/16-inch drill bit, 1-inch spade bit, and long -inch spade bit
    • pencil compass
    • random orbit sander
      Random-orbit sander
    • paintbrush
      2-inch paintbrush
    • artist paintbrush
      Small artist's paintbrush
    • Phillips screwdriver
    • adjustable wrench

    Shopping List

    1. 1x8 oak, maple, or other hardwood board, 4 feet long

    2. ¾-inch polypropylene rope

    3. 120-grit sandpaper

    4. Exterior-grade wood glue

    5. 1¼-inch deck screws6. Exterior latex paint

    7. Carabiner or spring clip

    8. -inch-thick, 10-inch-long stainless-steel or galvanized eyebolt with washer and two nuts

    9. ¾-inch rope thimble