Abstract: Devices for resizing ceiling tiles and like panels with the simultaneous creation of a reveal edge thereon comprises a table unit having a quadrilateral, flat top work surface and a pair of spaced apart, parallel tubular guide members supported on the table unit above the work surface in a plane parallel thereto. The work surface has an elongated slot therein extending longitudinally between the guide members. There is a motor driven cutter unit comprising a depending rotary cutter element and a pair of lateral slide parts contoured to rest upon and slide longitudinally along the guide members supporting the cutter unit between the guide members with a portion of its cutter element extending into the work surface slot. The device additionally has a suction unit that includes a conduit with an inlet juxtaposed to the cutter element and above the work surface through which debris created by operation of the cutter unit is removed as the device is operated.