PSI Screen Printing specialise custom t shirt printing, Apparel/Clothing printing. 100% satisfaction. Fast turnaround. Arrange a free consultation Australia Wide NOW! Out of All the T-shirt Screen Printers in Australia We Think We’re the Best Fit For You. Most are average, some are terrible, and there are a handful that are extremely good. We belong in the last category, and we have the client list and a lot of very happy customers to prove it.