replying to Electric Comet, Iggy wrote:
Haven't seen an actual mesh used, since it would need constant cleaning. But,
I have seen slats and drilled plywood (big holes). Though, the best option for
you I'd think would be welded fencing (
https://www.homedepot.com/p/Everbilt...12EB/205960859
) or even Concrete Remesh (
https://www.homedepot.com/p/42-in-x-...4061/206340461
), but that's usually rusted and would need painting. Either of those would
let the little stuff fall out and still be good for kindling and split off
chunks.

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