Heffernan is a multidisciplinary sculptural artist, his work revolves around the art of weaving, with a mischievous intent to embrace disorder. Through the playful combination of materials and subjects, Heffernan strives to create a dynamic interplay between form and function. Humour is his tool to comment on the intricacies of the everyday world we inhabit, contemplating the power of juxtapositions and compositions that challenge the significance of the mundane and overlooked.
 
By utilizing childhood drawings as a medium, he aims to shed light on the complexities of contemporary society, inviting the viewer to reflect on the changes that have occurred over time. Weaving these nostalgic creations into sculptural objects, captures the fleeting nature of memory, allowing for back-and-forth between the innocence of the past and the realities of the present, evoking a sense of introspection and contemplation.