Here is the link for SU-31 plans in DXF

 su-31 ff.dxf

Here is the viewer download

CADView/7

Here is a short clip.

http://fly3d.250free.com/VERTIGO3D.WMV

Here is another short clip.

http://fly3d.250free.com/Vertigo2.WMV

One more.

http://fly3d.250free.com/Vertigo3.WMV

SU-31 CLIP

http://fly3d.250free.com/SU-31-256.WMV

Here is a 3DX VIDEO

http://backyardfoamies.com/videos/3DX-1-CP.wmv