Here's my rig. Like I said , it's IKEA, but not the particle board, this is real wood, folks. I used small L-brackets to attach the top of both units to the wall behind...just in case. She's steady, no wobble, and the size is just right.
https://1drv.ms/u/s!AkNOrHeREqsGlFVlv6S98MtPiRtH