The three-day event has been held annually since 2016, celebrating the wonders of regional engineering and the innovative creations of current students.

Foundation Professor of Engineering Euan Lindsay said the event is a prime opportunity for students to showcase their projects to the wider community.

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"This event provides real-life experience for students who may have to pitch their projects to various organisations later in their careers," Professor Lindsay said.

"When students have to explain their project to other people, they gain an insight into the importance of effective marketing in the design process."

The projects developed by first-year engineering students provided a range of solutions to help solve ongoing humanitarian problems in Timor-Leste.

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Meanwhile, second-year students showcased engineering designs they had developed for real clients.

Second-year students Damien Taylor, David Ghrayche, Todd Pattinson and Andrew Wallace combined their efforts to design a viewing platform for the Princes Rock lookout near Wentworth Falls.

The group has been working closely with the NSW National Parks and Wildlife to bring the project into fruition.

"Our platform will allow 40 to 80 people to observe the Wentworth Falls waterfall at the same time," Mr Taylor said.

"Because the lookout is heritage listed, we had to design the structure to ensure minimal damage to the landscape."

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Professor Lindsay said engineering is a great career for people with a keen interest in discovering how things work.

"While there's no universal template for engineers, it's fair to say we strive to improve people's lives," he said.

"Engfest allows the wider community to gain an insight into our profession."