The present device may project a building design drawing onto a floor to indicate substantially precisely where contractors should install their products on the construction site. The device scans the raw space, compares the proposed construction documents with the existing conditions and projects a full scale accurate image of the plan on a work surface of either gravel, dirt and/or concrete. The resulting image would allow installation of underground utilities and walls more quickly and with increased accuracy. This decreases the time needed for installation and reduces or eliminates the need for costly re-work necessitated by these common errors.