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The term Xref comes from external reference. In LusoCAD, this tool allows you to attach external drawings to your current file, keeping them synchronised and significantly reducing editing and coordination time. Why use Xref in LusoCAD? Using external references has several advantages: 1. Consistency and collaboration Any change made to the referenced drawing is updated ... Read more

Digital signatures are an essential security feature in LusoCAD, allowing users to verify the authenticity, origin and integrity of drawing files. When a drawing is digitally signed, any unauthorised modification or corruption immediately invalidates the signature - guaranteeing reliable file management and secure collaboration.

Finally a solid, dedicated alternative for professionals working on Mac.

ARCHLine.XP has long stood out as a professional and versatile BIM solution, created for architects, interior designers and construction professionals who demand precision, flexibility and advanced visualisation tools. With capabilities for creating 2D plans, developing detailed 3D models, producing technical documentation and generating photorealistic renderings, it has become a reference platform in the ... Read more

Parametric design continues to evolve rapidly, and LusoCAD is driving that evolution with powerful constraint-based tools, offering engineers, designers and drafters precise control over geometry. With the release of LusoCAD 2025 and the expansion of features in LusoCAD 2026, users can automate drawing behaviours, maintain geometric relationships and create smarter workflows.

LusoCAD's Fillet command is an essential tool for creating rounded or precise corners, allowing for cleaner, more efficient and professional technical drawings.

Learn step by step how to create, align and customise multiline leaders in LusoCAD to make your drawing annotations clearer, more organised and more professional.

Lasso Selection in LusoCAD allows you to create free-form selection areas for more flexible and precise selection.

Upgrading to a new version or build of LusoCAD doesn't mean losing your custom interface, colours, fonts or other personal settings. In this step-by-step guide you'll learn:

How to migrate settings from an older version of LusoCAD and how to export and import your settings when upgrading to a new build of the same version

If your LusoCAD interface suddenly looks different – missing toolbars, hidden panels, or parts of the graphical layout behaving unexpectedly – resetting the settings to their defaults using the "Reset Settings to Default" tool is a quick and reliable way to restore a predictable workspace.