![](https://s3images.coroflot.com/user_files/individual_files/446546_pvKM7KUveREgc2KB_PnC3BxWy.jpg)
Re-use sketch development
![](https://s3images.coroflot.com/user_files/individual_files/446546_1z75qaVhupaDMhXq7jr3MeHIE.jpg)
Re-use sketch development
![](https://s3images.coroflot.com/user_files/individual_files/446546_DTUWpe6Uq5eZdxcCM3g8TOt2L.jpg)
Re-use sketch development
![](https://s3images.coroflot.com/user_files/individual_files/446546_O1Z7X7xEY4R3fRLKwQGCfO6l9.jpg)
Re-use sketch development
![](https://s3images.coroflot.com/user_files/individual_files/446546_mYypfu5I9woparer0RG6HhjGN.jpg)
Re-use sketch development
![](https://s3images.coroflot.com/user_files/individual_files/446546__IRLGWwdMiBcOqOXIQ1qFEo_O.jpg)
Re-use sketch development
![](https://s3images.coroflot.com/user_files/individual_files/446546_OsONVqwoPryg2R2H8hs9gxamf.jpg)
final concept milk bottle hourglass - Here is my final concept were two milk bottles are held in a wooden frame to make and hourglass, a flow controller has been placed between to regulate the flow of sand from one bottle to another.
![](https://s3images.coroflot.com/user_files/individual_files/446546_tHbT1vrVso1l5Pnz4l88V7H03.jpg)
![](https://s3images.coroflot.com/user_files/individual_files/446546_2FRng5szl3WYpqVtEdDcdvNRY.jpg)
gLike