The carnival will take place at the First Church grounds on Friday and Saturday.
Carnival marketing manager Jess Covell said a range of artists, authors, actors, musicians and dancers would present various shows and experiences.
Aston said he had produced visual displays for many events in the past, including music festivals such as Twisted Frequency, Rolling Hz and Sychronicity.
He described his visual creation for the carnival as "a journey to somewhere quite strange and unprecedented".
"My contemporary practice inhabits the world of electronic music.
"It’s a space where I get to be playful and abstract, and where the process of visual sharing communication is socialised," he said.
His visual art practice was "more like playing an instrument than putting pictures on a wall".
Halle-McInytre, a 3-D artist, was helping Aston enhance his "otherworldy" projections.
Elliot will be incorporating numerous illustrations to bring another dimension of narrative to the experience.
It will be the first time his work is presented this way.
"I’ve had lots of shows in galleries and have created murals and street art, but I have never been involved with a festival such as this."
Local performer Zac Henry will also give scheduled readings of Elliot's books The Adventures of Sydney Penguin and Pigtails the Pirate during the event.
Burns Hall will be hosting live painting by local artist Bruce Mahalski and a range of performances from local dancers, actors and musicians.
There will be costumed performers roaming the event and aerial dancers frolicking among the trees.
Spectators can also enjoy anything from dumplings to mulled wine at the carnival’s night market.
The event will begin on Friday with a mihi whakatau (welcoming), followed by a turou (Cook Islands welcome).
