The Bonfire Gotoku S is an ultra-lightweight, thin bonfire-only trivet that uses pure titanium hollow pipes. This product is S size, and it is suitable for solo or pair camping.
The reason why one side is slightly tapered is that when packing, it is easier to slip into the gaps in the luggage, and one side is narrower to allow for flexible handling when placing.
It can be used not only for direct fire, but also as a trivet for cooking on a bonfire if the size fits your existing bonfire.