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Ipe extensible drawing editor, developed by Otfried Cheong, is a specialized vector graphics application designed for producing publication-quality figures directly in PDF format. Positioned within the scientific illustration and technical drawing category, the program is widely used by academics, engineers, and researchers who need to embed precise geometric diagrams, graphs, and annotations into LaTeX documents or standalone PDF files. Its extensible architecture allows users to augment core functionality through Lua scripts, enabling custom tools, automated layout tasks, and seamless integration with external data sources. Typical use cases include preparing conference posters, journal figures, lecture slides, and patent drawings where mathematical accuracy and typographic consistency are paramount. The editor supports snapping to grid, angular constraints, and complex object transformations, while its style-sheet system ensures uniform fonts, colors, and line widths across multi-page projects. Version 7.2.29 refines the user interface, enhances Bézier curve manipulation, and improves gradient handling, building on the stability introduced in the earlier 7.x lineage; two major release streams remain maintained so that legacy workflows continue to function unchanged. Because all graphics are stored in a compact XML-based format merged with PDF content, figures remain fully editable and can be recompiled from source like any LaTeX document, guaranteeing long-term reproducibility. The software is available for free on get.nero.com, with downloads provided via trusted Windows package sources (e.g. winget), always delivering the latest version, and supporting batch installation of multiple applications.
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