This list does not include a sand-table which is cumbersome to construct. For the simplest type of holography, single-beam reflection type, a sturdy table or bench will do fine. A laser power supply is typically 2500 volts or more. A qualified person must do it. Better yet, buy a self contained laser or one with cable to the power supply included.
Film is less expensive but more difficult to use.
A sturdy table and sturdy bases and mounts for the laser, the optical components, the model, and the holographic plate . Concrete blocks make good bases. Lenses and mirrors should be mounted on rods or clamps which, in turn, are mounted on short ring stands with a triangular bases. Other mounts can be used as long as they are firm. It should have a uniform stable temperature .