The Lego Ideas website allows people to submit ideas for future kits. If enough people vote on something, it can possibly be made into a real set sold by the company. This includes things like the Dungeons & Dragons set and the Starry Night interpretation.
So far, the iMac G3 has 5,712 supports, and it has 320 days left to reach the 10k threshold. Once it does that, it will be reviewed by the company. If they deem it possible, they’ll work with the original designer to make a version for mass production.
While this one will likely get the votes, I think the major hurdle here will be getting Apple’s approval. The company is pretty tight with its merch output. That said, this is so cool and there are lots of Lego apps on the App Store. I also remember a Lego AR demo on stage at a WWDC many