Starting with your 3d printer on Ubuntu
If received your new 3d printer and you wonder how to get or prepare your 3d models these are your next steps.
Install cura, this app will help you to prepare your 3d model ready for printing.
sudo add-apt-repository ppa:thopiekar/cura
sudo apt-get update
sudo apt-get install cura
Install blender. It;s more fun to build your own desings to make simple and useful objects.
sudo apt-get install blender
Here is a big list of 3d model repositories to find free desing to print:
https://www.aniwaa.com/best-sites-download-free-stl-files-3d-models-and-3d-printable-files-3d-printing/