I knocked together a cantaloupe frame from old copper pipe I had laying around. How much does it matter what I use for the grid? The standard nylon trellis is pretty cheap, like $4 for 5x10, and I could string that tightly between the copper pipe. Or do I need to go with metal? Remesh isn't really weatherproof, but it would last a few seasons.

I'm planning to set two trellises on the diagonal, not vertically. Probably in an A-frame, with the vines climbing up both sides.