Here's an idea for demolished trampolines. Use the legs to build a firewood rack. We had a large limb break off of a Post Oak tree during a typical Central Texas thunderstorm. It landed right on our new trampoline! One of the leg bases was crushed, so I only had enough pieces to make one rack.
Step 1: Materials
(2) - leg bases from trampoline
(8)- straight leg sections from trampoline
(1)- 5' length of 1-5/8" pipe (chain-link fence line post)
(1)- 4' landsacpe timber or 4' treated 4"x4"
(4) - 3/8" x 3-1/2" lag screws
(4)- 3/8" flat washers
1-5/8 Hole Saw Bit
3/8" Drill Bit
Step 2: Knotching the Braces
Use a drill press or pipe knotcher to cut 1-5/8" knotches in both ends of 1-5/8" galvanized pipe. I made (4) of these at 11" long at the shortest point. I have a wood stove that uses firewood cut around 16" long. If you use bigger firewood, you may want to cut these longer.