Abstract: A method and mold are provided for making interlocking paving block and the like in which an aqueous concrete slurry is placed in a mold and subjected to instantaneous pressure of at least 1000 pounds per square inch over its entire surface to expel a large portion of water from the slurry, removing the formed article and curing. The mold is made up of a generally rectangular carrier plate with vertical sidewalls in which is placed a base plate, a pair of side plates and spacer wedge plates holding the end and side plates and a die head plate entering the mold.