Archtools for Softimage demostration from Jason Wells on Vimeo.
V2 released
-Cameras-
Fixed Polygon Cam (new) - create a view perpendicular to an arbitary polygon
-primitives-
Draw and size Cube, Box, Cylinder, Sphere, Cone, etc standard primitives in viewport
-transform tools-
4 point rotate
2 point transform
3 point scale
mirror about 2 points (new)
align objects by 2 polygons (new)
align object - polygon to edge (new)
aligh object to polygon (new)
Limitations: these do not work correctly on enveloped meshes unfortunately.
-measuring property-
Apply to scene root and measure distances - automatically converted to scales like mm, cm.
Download from here