[1] In 2019, he joined the TV series Lego Masters Australia, as the main competition judge alongside host Hamish Blake.
In 1978, at the age of five, McNaught won a Master Builders' Certificate in the Victoria finals of the Myer Lego National Building Competition.
He left school and worked in information technology, moving to Melbourne, where he played cricket for South Yarra.
In 2004, he started working at Regency Media, a manufacturer of CDs and DVDs, eventually becoming CIO.
[2] McNaught exhibited an own-build remote-controlled Lego model of the Qantas Airbus A380 at the fourth Brickvention in Melbourne in 2010, winning the vote for 'Best in Show'.
He has also made large Lego models of the Colosseum, the Acropolis, and Pompeii for the Nicholson Museum at the Sydney University.