Fill your BAG, stuff for free.  Free DIY projects and plans available at Instructables.
All plans and projects are under Creative Commons License : CC BY-NC-SA 4.0 DEED

 

Indoor stool 'Kraftwerk' (2008) weighs just under 4 lb, and to keep it’s structure is filled with CFC-free polyurethane expansion foam bottles, allowing it to hold up to 209 lb.

 

'Clutch' party bag  (2010) that has no handle and no zipper/button to close it.

 

Lawnfixer (2014), a 3D printed gardening tool for lawn care.  Mounted on a broomstick to repair lawn spots easily. with 3 functions in one : aeration, verticutting and overseed.