Just use "Video Renderer for 3D VR180, VR360", you dont need anything else, and you dont need to setup 2 cameras,
it will capture 3d VR180 frames, use "
Render mode: VR180 stereo", you will only need to combine it afterwards, you can use avidemux for that
This plugin renders VR180, VR360 and traditional 2D videos with audio and VR/panorama images inside Virt-A-Mate in stereoscopic 3D and monoscopic view. You can render at very high levels of resolution, quality and frame rate that would be...
hub.virtamate.com