Excerpted from the book Outdoor Woodwork
Instructions for Tiered Patio Planter
Workboard
Square the top support with the workboard.
Parallel Supports
Make sure that the three shelf supports are parallel to one
another
1. Take the two legs that make the primary back frame and center
them on top of the three primary shelf supports. Butt the legs
together at the top, check the angles and squareness, and then
drive 1 1/2 inch (38 mm) screws through into the shelf supports.
Screwholes
Drill holes for the screws to avoid splitting the wood
Cordless Driver
Charge the driver the day before you start the project
Supports
Butt the supports together so that they meet on the center
line.
2. Turn the back frame over so that the shelf supports are
uppermost, and screw the secondary supports in place with 2 inch
(50 mm) screws - so that they angle out at 60° from the center.
Take care: the structure is fragile at this stage.
Screwing
Position the screws to avoid knots

3. Set the secondary legs in place, so that they meet at top
center, and screw them to the side of the supports with one
1 1/2 inch (38 mm) screw at each intersection. Check the angles and
positioning and then drive in the second screws.
Helpful Hint
If you find that the whole structure is difficult to support while
you work, either ask a friend to help you or secure the various
components together with clamps.
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