Johnny Matthews writes:
Measurable is a Blender addon by Johnny Matthews ( http://youtube.com/@johnnymatthews ) in collaboration with Makertales ( https://youtube.com/@makertales ) that makes it easy to create technical-style drawings in Blender. Providing a comprehensive set of tools to create technical-style drawings in Blender, with a wide range of measurement types and easy-to-use settings to customize measurements to suit your needs. This addon is a combination of Python Add-on and Geometry Nodes. Its first version is available now with a new version due out in the near future.
Demo and usage videos: