A new feature release version of Legify is available at:
https://github.com/vectronic/freecad-legify-macros/releases/tag/v0.3.0
Beyond a number of measurement improvements, rendering of technic pins is now implemented.
The latest macro code, brief overview and instructions are available at:
https://github.com/vectronic/freecad-legify-macros
NOTE: Be aware that due to this bug in FreeCAD discovered while implementing technic pin support, multiple technic pins will not render correctly at the moment.