Fast and effective!

Instead of steel reinforced concrete beams over a window? Bad idea will crack eventually. This is why so many doors never close properly. This is till just cement and brick, no matter how you reconfigure it.

This does not seem fast at all

How a block effect is produced in concrete

Interesting brick design 🤔

Good invention.

Teamwork makes the dreamwork

That sounds awesome! Glad it's working out so well for you.

Crazy slow 🐌.

Fast?

Good work