Find a frame. If you can’t locate a vintage window frame (ours was salvaged from a church), substitute a vintage door frame. You also can build the frame from scratch using assorted pieces of vintage decorative molding or new decorative trim pieces from a hardware store or home center; attach the pieces around a rectangular frame made of 1x3s or 1x4s.

Reinforce the frame. Working on a level surface, attach 1x2 braces at the corners and any joints of the frame. For a wobbly frame, you may need to nail 1x2s or 1x3s around the frame’s perimeter.

Measure for the wire grid. Using a pencil and tape measure, make a mark on the frame’s top inner edge 6 inches from the corner. Work around the entire frame, marking every 6 inches. With a cordless drill and a bit sized for screw eyes, make pilot holes for the screw eyes at each pencil mark. Twist the screw eyes into place.

Wire up. Loop wire through the top left screw eye. Twist 6-8 inches of excess wire to secure it. Extend the wire to the bottom left screw eye, pulling the wire taut. Loop 6-8 inches of wire though the screw eye, clip, and twist. Repeat this process until the grid’s vertical wires are in place. Create the grid’s horizontal rows in the same manner, starting at the upper left screw eye and weaving the horizontal wires over and under the vertical wires. Screw wire ends at opposite screw eyes.

Situate the trellis. To place the trellis in the open, set two wood posts a couple of feet deep in concrete footings. Screw the frame to the posts. Another option is to place your trellis against a sturdy fence or building. Use drywall screws to attach the trellis to its support.