Google Blocks
Okay, so, if like me, you've had your interest piqued by the prospect of Virtual Reality (VR) and Augmented Reality (AR) over the past year and a half and have even invested in Oculus Rift and/or a Samsung Gear headset (* other VR units are available ) and you've got yourself a copy of Unity or Unreal Engine and had great expectations about making this wonderfully great new VR world with magical spinning things and whooshy ( yes, that's a word I just made up ) swirls of rainbow goodness, only to the have to fire up Udemy or Coursera to find a course that teaches you how to make 3D models. Several weeks later, you've made a potato. A bad looking potato. It is kind of 3D, but has lumps in the wrong places. It does NOT look like the prancing unicorn that you envisaged for your main character representation in your snazzy new VR world. Come to think of it, the rocks, buildings, cars, <insert any other shape or object that you wanted to have in your landscape...