The barcelona chair and stool found also in this post are now available to download for free by clicking on the dropbox link below:
If you find this model useful for your projects, you can donate anything you want via paypal. This is completely optional, of course.
I will gradually do this for most of my models (some of them are quite complicated and hard to achieve to just give them away for free), so keep an eye for new free models! 
Happy blending to all!