As a former jewellery-store manager, Dale Mooney knows the scenario well. Starry-eyed couples arrive with their ideal engagement ring glistening in their minds, but with little idea of how their hand-drawn creations will look on the finger.

But all that could change if jewellery shops adopt Mooney's Try-On machine, designed to take the guesswork out of selecting a ring.

After five years and $1.3 million developing the 3D modelling machine, Try-On was put to use this month at The Auckland Ring Co in Te Atatu.

Read more at http://www.nzherald.co.nz/category/story.cfm?c_id=85&objectid=10383567.