BigPrinter Customization

Some months ago I noticed that my Prusa I3 clone tends to be too small. I had to cut my models in half several times to get them printed. So I decided to build a [BigPrinter](https://www.youtube.com/watch?v=E5lSrGy8x48&list=PLiqrEMrfoE8reMzUpRa1tWFf2nrdiBcCm) clone.

This project uses 20x20 aluminium profiles which are screwed together with previously printed brackets. All the parts are easily accessible and you can customize to your personal needs.

Ivan kindly offered a link to his [Fusion360 project](https://myhub.autodesk360.com/ue29ae852/g/shares/SH7f1edQT22b515c761eda136a61687c5365?viewState=NoIgbgDAdAjCA0IDeAdEAXAngBwKZoC40ARXAZwEsBzAOzXjQEMyzd1C0BmAE1wBYIATgAcAJgC0EYQDYY4vgFYAxtPEAjAGa4l44YzWjc3GHoDsp4WgC%2BIALpA) on his former [website files](https://www.ivanmiranda.com/diy-3d-printer/) but it seems he hasn't changed anything in the last months (or maybe is secretly about to so :-).

So I decided to publish my changes and improvements so far. Publishing all the files fo