RebuilderAI, a 3D (three-dimensional) modeling artificial intelligence (AI) Start - Up backed by Naver D2SF, says on the 12th that it raises 4.5 billion won in a pre-Series A round. /Courtesy of Naver

Naver D2SF said on the 12th that RebuilderAI, a 3D (three-dimensional) modeling artificial intelligence (AI) Start - Up it invested in, raised 4.5 billion won in a pre-A round.

Naver said the investment included Asics Ventures, the corporate venture capital (CVC) of Asics' Japan headquarters, Medici Investment, IBK Capital, and Korea Credit Guarantee Fund (KODIT).

According to Naver, RebuilderAI developed its own AI engine that automatically generates realistic 3D data from 2D (two-dimensional) images. Based on this, it introduced "VRIN 3D," which allows users to easily and quickly create high-quality 3D content by simply scanning real products with a smartphone.

This year, it launched the integrated solution "VRING:ON," which automatically generates everything from 3D modeling to manufacturing patterns and CAD data by reflecting the latest design trends from sketch images alone.

"VRING:ON" won an innovation award in the fashion tech and AI categories at CES 2026, the world's largest information technology (IT) exhibition, in recognition of its practical AI technology value that narrows the gap between digital production and real-world manufacturing.

In particular, RebuilderAI developed an "Agentic AI design system" that automatically generates precise parametric 3D data needed for shoe design and sole structure simulation. A strength is its ability to generate sophisticated data depending on the shoe's materials and manufacturing methods. Based on this, RebuilderAI secured investment from Asics Ventures and also signed a software licensing agreement.

It also signed a contract with Saudi Arabia to introduce AI technology for furniture design and manufacturing processes, and proceeded with software customization and licensing contracts with a Hong Kong ODM factory.

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