The cost of the structure of a modern wood house is a tiny fraction of the overall cost. Most of the construction cost is in the wiring, plumbing, bathroom & kitchen fixtures, windows, flooring, etc. 3D printing doesn't help with any of that. In fact, wiring and plumbing is harder than in a wood-framed building, where you can drill holes in a few seconds.

Also, aesthetic zoning rules are super-conservative. You can't build an unusual looking house in most cities.

> Or printing the bricks like Lego so you can just collect them together.

Are construction bricks not already essentially 3d printed? They're 3d objects produced on mass to aid in affordable and standardised construction.

We've been "3d printing" stuff for years just with different methods like injection molding. The 3d printing your referring to in contrast is generally more expensive per unit and the only real advantage of it is its flexibility which is why it's used often in prototyping, but wouldn't be of much use in the mass producing of affordable homes (or anything for that matter).

Because I think pouring concrete and putting up steel beams is faster and more stable

The price of houses may be rising, but in most cities the main cost is the cost of the land, not the house.

there a slew of name brand polystyrene foam formboards that remain in place for R value and moisture barrier.

it seems to be the current method and needs no new equipment.

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