Mechanism: Place two hoppers stacked directly above a Stonecutter.
Setup: Place at least 1 sand in the bottom hopper to activate the conversion process.
Production: Cobblestone flowing into the bottom hopper has a 1% chance to turn into sand.
機制：將兩個漏斗串聯並置於切石機正上方。
準備：在下方的漏斗中預先放置至少 1 個沙子以啟動轉換程式。
生產：流入下方漏斗的鵝卵石，有 1% 的機率會轉化為沙子。
