The simplest kind of marquetry uses only two sheets of plywood glued together and cut temporarily with a fine firez, resulting in two contrasting panels of the same design.
Intarsia that uses contemporary craft knife cut veneer, so that the knife used is of paramount importance. Other things needed are template, duct tape (not sticky), glue and base-board. Sand is used for finishing or wire wool, and in the end is lacuieste.