LWCAD is out in version 3.0 form. Compatible with Lightwave 9.5, it has a whack of new tools and features. If you haven't checked it out, LWCAD not only brings a number of familiar CAD techniques to Lightwave, there are a lot of useful general purpose modeling tools in there.

LWCAD is mainly targeted to Architects and Artists who make a massive scenes of the towns with infrastructure, the buildings with the detailed ground plan and overall the objects with a complex 2d base."