Google has just updated the Deep Think mode for its Gemini 3 model, and it’s a massive step forward for chores involving 3D printing. For the unaware, Deep Think mode focuses on enhanced multimodal understanding and reasoning, and its latest upgrade pushes it further for engineering, research, and scientific tasks. The core focus is going from theoretical to practical applications. One of those application areas is 3D printing.
Essentially, Gemini 3 Deep Think is going to turn your rough sketches into a proper 3D model and generate a file ready for feeding to a 3D printer. What you have here is a tool that can basically take a look at physical objects or a 2D image, and turn them into a 3D blueprint while making changes you request in natural language.
Why is this a big step forward?
For anyone interested in 3D printing, even for personal usage, going from idea to execution is a hassle. You must know CAD modeling, own the right software, and have a powerful computing machine to turn those ideas into a 3D file. The whole process is pretty intensive and time-consuming, in addition to posing a steep learning curve. And when it comes to product prototyping in engineering labs, or even companies testing new products, the whole ordeal of physics modeling and prototyping ends up taking a lot of time and resources.
With Gemini 3 Deep Think, Google wants to replace those technical challenges, letting users go from ideas to the 3D printing stage without having to deal with complex physics-based modeling and software. But it’s not just the sheer convenience of turning drawings into 3D files that is going to speed things up.

Iterating on an existing design is an equally crucial step, and Gemini 3 Deep Think is aiming to ease that, as well. The benefits are huge, not just for DIY enthusiasts but also for material scientists, engineers, and product developers.
A huge practical shift for AI
“I used it to engineer new metamaterials and a spider-web inspired bridge design, 3D printed it, then validated the structural integrity with a @nvidia DGX Spark load test. A mind-blowing example of the future of material and architecture design – image in, fabrication-ready design out,” Markus Buehler, an engineering professor at MIT, wrote on X.
Taking a conversation approach to fixing and tweaking the complex models of objects, and then having a CAD model ready for printing in minutes, is a huge step forward. Gemini 3 Deep Think is available to Google AI Ultra subscribers in the Gemini app, and it will also be made available via API for the first time to interested companies and researchers.

