Dimensions and Lines is an add-on that introduces CAD-like dimensioning workflows into the Blender viewport. It allows users to create interactive dimensions and generate non-destructive construction lines from existing edges as fully renderable mesh geometry. The tool features a dedicated snapping system for precise alignment to line centers and generated technical elements.

The add-on includes camera setup features that automatically configure render resolutions based on specific paper sizes and DPI requirements for print-ready layouts. It also provides multiple line styles and hatch patterns tailored for architectural sections, schematic views, and blueprint-style rendering. Both metric and imperial units are supported.