World’s Largest 3D Printed Architectural Structure built in Dubai by Proto21 with Heron AM

In the heart of Dubai, Proto21 3D Printing LLC has been hard at work leveraging Caracol’s advanced technology for a groundbreaking achievement: building the world’s largest 3D printed structure (by volume) for Myata Platinum Restaurant.

This project has been crowned by the Guinness World Records™ as the largest 3D printed architectural structure ever built by volume. This is more than just a record, this landmark project marks a milestone in how design, innovation, and large-format additive manufacturing are converging to redefine what’s possible. As Caracol, we are proud that our technology has been part of this record and is contributing to the Gulf region’s industrial revolution, as we’re on a mission to enable the production of large advanced parts globally.

Inspired by the sculptural forms of sand canyons, the installation features a striking 8.6-meter staircase and seamlessly blends functional and decorative elements such as caves, hollow walls, VIP lounges, counters, and planters — all fabricated through a continuous, advanced 3D printing process. The immersive design guides visitors through shaded, narrow passages into a cavernous interior, where sand-toned finishes merge natural inspiration with technological precision.

Technical Details

To develop this impression structure, Proto21 adopted several advanced technologies, including Heron AM – Caracol robotic LFAM platform – producing over 21,700 unique parts, totaling more than 10 tons of material across 160,000 hours of printing.

Specifically, the multi-axis robotic system of Heron AM allowed for large, angled, freeform geometries without support structures – crucial for printing closed-top, high-overhang components.

Key specs of the project include:

• 1.190 Square meters of 3D Printed area
• 38 cubic meters of volume 3D Printed
• 158 3D Printers used to complete the project in due time

Material & Process optimization

One of the main advantages of leveraging Heron AM is its broad compatibility with a wide range of 3D printing materials. To ensure the structure could withstand the extreme conditions of outdoor environments, Proto21 made a detailed material selection process, optimizing each stage of the production process. PPGF (polypropylene reinforced with glass fiber) was chosen for its high mechanical strength, thermal stability, and low warpage – making it ideal for producing lightweight, hollow components.

A modular printing strategy was adopted to segment sections of the project, facilitating transport, installation, and reducing post-processing.
Furthermore, Caracol’s proprietary software Eidos ensured production predictability, critical for tight project timelines, through:

• Advanced toolpath simulation (flat and angled)
• Real-time error detection
• Optimization for reduced material use and waste
• Higher design consistency

Dubai leading the way to the future

This project not only advances the concept of design within the architectural sector but also represents a significant step towards more sustainable and customized construction. The structure, developed in Dubai’s Proto21 factory, showcases how LFAM and our Heron AM robotic platform can transform timelines and costs through digitalization and automation.

It is always wonderful to see how Heron AM is being used by customers across the globe, and we are glad Caracol is playing a role in expanding the frontiers of design and construction in the Arabian Peninsula’s rapid technological and cultural growth. Our partnership with Proto21 further affirms our commitment to advancing the design and construction industry in this innovative-driven region.

Related Case Studies

Check out our success stories