Codeca Educational Technology and Services Inc. | 162 followers on LinkedIn. Teach and learn coding while creating your own VR world and with one click, view it in VR. It's all possible with C3D! | Make teaching coding fun and engaging with VR! C3D is a browser-based VR coding platform that helps educators teach programming in fun and engaging way. Students will create their own VR world while learning to code, then with one click, they can experience their creation in 360-degree VR using a phone.