Build a 3D website with a free NVIDIA AI model, step by step

The companion to the NVIDIA free models video. Get a free NVIDIA key, connect it to OpenCode, and paste the exact prompt that made Nemotron 3.5 Super build a working 3D wedding-invitation site with glowing gold rings in 84 seconds. Inside: the 4-step setup, the copy-paste OpenCode settings file, the build prompt and the one follow-up prompt that fixed it, the race scoreboard (4 free models, only one built it), the list of the 13 of 17 free chat models that answered our test and how fast, and the honest rules (NVIDIA records inputs and outputs, free access is for prototyping and testing). Tested Nov 1 to 2, 2026. Independent guide from Hyperautomation Labs, not affiliated with NVIDIA or OpenCode.

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