An ice maker for an appliance includes a freezing plate having an upwardly facing ice formation surface. A plurality of partitions is positioned on the freezing plate. The plurality of partitions divides the ice formation surface into a plurality of bays. A reservoir is positioned below the freezing plate. A manifold has a plurality of outlets directed towards the plurality of bays on the ice formation surface. A pump is operable to flow water from the reservoir to the manifold. An air conduit is positioned below the freezing plate. The air conduit is configured for guiding a flow of air through the air conduit to chill the freezing plate.