For the 1-4 cup, W137xdmm
V60 for light weight spoon.
At the speed of the water changed flavor.
Both dripp deliciousness and drip's.
Coffee powder layer deep conical solid extract flavor.
How quickly refreshing taste, gently pipet full-bodied taste.
One big hole, so pouring speed can change taste.
Spiral adoption shall not preclude the bulge of the coffee powder.