Snap’s latest generation of augmented reality Spectacles have been lambasted by one of the engineers who helped to create them. The glasses, revealed earlier this week, were described as “a disaster” by Sterling Crispin, a former design engineer for Snap.

Snapchat’s creator has a new version of its glasses, and a vision for more approachable augmented reality. But it’s still a preview, not a commercial product.

Due to the target audience being developers, Snap is taking a hardware-as-a-service approach to product sales, charging devs $99 a month. Before you get too excited, however, keep in mind that there’s a one-year commitment period, so you’d be getting out a little under $1,200, pre-tax.

But the market for Spectacles — and AR glasses in general — still feels as nascent as ever. Snap has an idea for what could change that: developers. These new Spectacles, announced Tuesday at Snap’s annual Partner Summit in Los Angeles,