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Google notified the author that they could try the Gemini 4 Argon model. A hands-on account published by CNET editor James Bricknell on October 22, 2026, shows that he used the model to generate, through conversation, a web app that can adjust armor dimensions; after about 10 iterations it reached KeriForge 8.2, which he then exported as an STL and printed in TPU 75A. The whole process took about 18 hours, of which printing took 7 hours. He said Gemini 4 Argon completed complex tasks noticeably faster than his usual Gemini 3.5 Flash-Lite, and that it understood his intent to use the web app offline rather than develop an iPad app. The final print's dimensions matched his forearm and wrist; the surface defects came from the TPU material being too soft and the model being printed too tall, not from the model itself. There are currently no additional independent sources or official statements.
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I used Gemini 4 Argon to make 3D-printed armor from a prompt in 18 hoursDevelopments
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Oct 22
CNET
I used Gemini 4 Argon to make 3D-printed armor from a prompt in 18 hours
CNET editor James Bricknell used Gemini 4 Argon to generate, through conversation, a web app that can adjust armor dimensions; after about 10 iterations it reached KeriForge 8.2, then he exported an STL and printed it in TPU 75A. The whole process took about 18 hours, of which printing took 7 hours. The author says Gemini 4 Argon completed complex tasks noticeably faster than his usual Gemini 3.5 Flash-Lite, and that it understood his intent to use the web app offline rather than develop an iPad app. The final print's dimensions matched his forearm and wrist; the surface defects came from the TPU material being too soft and the model being printed too tall, not from the model itself.