Prusa 3D Printer
For the Prusa 3D Printer you need the following parts:
And if you want to make an improved Prusa 3D printer with linear bearings you might want to add a LM8UU Deluxe upgrade kit.
Also recommended: a heated print bed kit
Building the 3D printer
For building up the Prusa 3D printer, you can take a look at the following page