There is a wide range of options for 3D printers suitable for beginners, but it can be overwhelming to navigate the setup, printing and finishing process.

Free tool Tinkercad makes it a snap for first-timers to create 3D objects for printing.

We continue our 3D printing discovery series by showing you how quick and easy it is to customize the size of pre-designed objects -- without ever going into a 3D design program.