This is cool, but immediately makes me wonder if blocks are the optimal material for this type of installation. Naturally that’s where you’d start because it’s

This is cool, but immediately makes me wonder if blocks are the optimal material for this type of installation. Naturally that’s where you’d start because it’s what is commonly used But pretty quickly you could pivot to better “blocks” that interlock or align automatically and need less (or no) mortar. Then you’d be really flying along