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How to build and use a small greenhouse out of transparent corrugated sheet
Assemble the supplies needed.
Check the " things you'll need " list below.
Cut and bend 3 mm iron wire to form 2 bows.
Each bow has 5 loops as shown on the photo below. The distance between the two u shaped ends is about 1 cm (3/8 inch) larger than the width of the corrugated sheet used for the tunnel.