This is my 3D printed Gundam Mask, easier to breathe the whole day..

There are many websites which provide open source models to practice 3D printing models, you can check them out: www.thingiverse.com , www.myminifactory.com. Additionally, for a beginner planning to get a 3D printer, you can join in various local 3D printing community on FB in Malaysia. Most of them are very helpful in advising you on getting the proper printers. Nevertheless, most of the users would provide very good support on how to service and maintain one's 3D printer as well.

You can also check out my website as well, www.formventor.com for further reference of what I've done locally for the different market applications using 3D printing tech.

Cheers!