So... Being able to use line thickness. Use Layout - or Plugins like 2dTools-LineStyle Being able to use line types. Use Layout - or Plugins like 2dTools-LineStyle Being able to use line colors. Use Layout - or Plugins like 2dTools-LineStyle - or Style Color-by-Material Being able to join lines. Use Plugins that 'Weld' [e.g. TIG-Weld] or 'Merge' unneeded vertices [Fredo's toolset] Being able to stretch lines. Use the native Move on a vertex, Entity Info to change Length etc Being able to dimension angles. Layout - or there are Plugins available...