12D Solutions Pty Ltd is an Australian software developer specialising in civil engineering and surveying applications.

Established in 1988, 12D Solutions sells and supports its principal product suite, 12d Model, direct and through distributors around the world.

12D Solutions clients include civil and water engineering consultants, environmental consultants, surveyors, local, state and national government departments and authorities, research institutes, construction companies and mining consultants.

12D Solutions is headed by its co-founders - Managing Director, Dr Lee Gregory and Technical Director, Mr. Alan Gray. Dr Gregory has worked in the technical and computer industries for over twenty years. He holds a Ph.D. in Mathematics from Sydney University. Mr. Gray has almost twenty years specialist experience in systems design and programming for computer-aided design applications. He holds a Bachelor of Civil Engineering from the Queensland University of Technology.