What is going on in this youtube video?

https://www.youtube.com/watch?v=Z-xf...8XgS0spiLRZptM

Does anyone recognize what table saw this is? Also those bee frames are 3/8 thick and looks like he has 3 blades. Anyone do this? Some saws have extended arbors you can purchase.

(.-.)

What is going on in this youtube video?