CAD?

[jägermonsta]

Can anyone suggest free CAD Lite software? Something with dumb downed features but allows me to save projects and 3d model. Preferably not with a trial period but if the software is decent enough, purchase is considerable.

[[BTF]Sigma]

CAD Std.

  Digitally Signed! -- Safe to Run! -- No Spyware! -- No Adware! -- License Never Expires!
  Runs on Windows 95 (OSR2), 98, ME, NT, 2000, XP or Vista with Minimal Memory
  Creates Arcs, Arrows, B-Splines, Circles, Linear Dimensions, Lines, Polylines, and Text
  Undo/Redo        4 Levels
  Export DXF (Your Drawings Belong to You! Share Your Drawings with Other CAD Applications)
  Export HPGL/1 
  Snaps (Intersection, Tangent, Center, End, Mid point, Perpendicular, etc.)
  Import Simple (Non-Blocked) Rev 12 DXF