I did a mockup of this design and I had concerns about the depth of cut. It does solve the Z axis problem you mentioned. There's actually this start up that's doing the exact design called Vulcan, that's meant to be sold for around 8k. Here's their structure:

https://scontent-frx5-1.xx.fbcdn.net...d2&oe=5FF33F20
https://scontent-frx5-1.xx.fbcdn.net...58&oe=5FF208F9