Select a square house from the menu. Place the house on level ground.
Select a palette from the menu, select a stone wall style with floor markings.
Build a second house nearby

Layout of ladder attachment points on house walls.
Select the ladder in the menu.
Select the point on the wall #1 (left-click) - #2 (left-click) - #3 (left-click) - #4 (left-click) and complete the ladder (right-click).

Attach the ladder to the wall at points (#5 - #8) and the ladder at points (#9 - #12)

Select the right house and rotate it 90 degrees clockwise and move the house

Leveling of staircase landings.

Select the landing, select and move the point, align the landings.


Turn to the other side of the house. You will see that there are no platforms.

Select the first point of the stairs on the first floor. Make a landing on the first floor - Left-click and move the point, finish - Right-click
.

Make a landing on the second floor.
Select the point of the stairs on the second floor. Left-click and move the point to the opposite wall - left-click, finish - right-click.
Move the points and align the stair slabs.
Repeat the steps and make the landings for the stairs on the third floor.
Repeat the steps and make landings for the stairs on the fourth floor.

Move the house and you will get a staircase with an arcade. An interesting architectural solution.
Replace the columns from the arches with sections of the wall and the arches will disappear.
(beta19! Added style without columns)

Well staircase. View from above.

Ladders can be mounted on walls

The method can be used for various architectural projects.




I wish you inspiration and many creative ideas in building tiny glades.