In advanced manufacturing, aerospace, defense, and critical infrastructure, 3D printing has become an indispensable tool for producing custom tooling, rapid-response spare parts, and end-use components. However, this integration introduces significant security vulnerabilities when network-dependent printers are used, creating a critical attack vector for proprietary or classified CAD files. The Original Prusa XL is the most innovative 3D printer on the market, offering possibilities that no single-nozzle multi-material printer can replicate. With a state-of-the-art five-head tool changer, top print quality, extreme precision, huge print volume, and zero-waste printing, the Original Prusa XL establishes a new category for itself. Featuring lightning-fast toolhead swapping, unique segmented heatbed, perfect edge-to-edge print precision, a full set of network features, support for an optional enclosure and compatibility with a wide range of technical materials, no project is too big for the Original Prusa XL. Get started quickly with useful additions such as an always-perfect first layer and one-click printing, and explore the possibilities of advanced material combinations for even the most complicated projects. With the possibility to gradually upgrade the single-tool XL with additional toolheads and an optional enclosure, you can expand your experience as you go. Please note you need to install the Tool Head/s and Display before use. True Air-Gapped Mainboard Hardware-Level Security Enforcement This edition features a custom-manufactured mainboard. All Wi-Fi connectors and related wireless circuitry have been physically removed, not just disabled via software. This provides a true, verifiable air-gapped solution, eliminating the attack vector of a network-connected device and ensuring full functionality in a 100% offline environment. --> Secure Offline Workflow Designed for Classified Data Handling This bundle is built for a complete offline workflow. It supports an