Create multilevel stairs

00:03

And looking at the rear stairs, 3d view,

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we can see that we already have a U shaped stair spanning between levels one and two.

00:13

We'll need to add in stairs between levels 23 and four,

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which we will do by using the multistorey stair tool.

00:21

Then we'll need to create openings in the floors to create a stairwell.

00:27

I'll open the stair section view from the project browser.

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And again, we can see those stairs that are spanning between levels one and two

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as the height between the levels is consistent at 10 ft,

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we would use the same U shaped stair layout for each floor.

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However,

00:45

rather than create separate stairs for each level,

00:48

we can take the existing stair here and use the multistorey

00:51

stairs tool to have it automatically repeat on the upper levels.

00:57

So in order to do this, I'll first select the existing stare.

01:01

Now from the modify stairs ribbon tab on the multistorey stairs panel,

01:06

we'll click the select levels tool.

01:09

So now we can see that we have level one and two grayed out.

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And this is because the stair is already spanning between levels one and two.

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So we'll select level three and holding the control key down, select level four

01:22

and then we'll click finish

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and then those levels are added in. And we can see the stairs now span

01:27

between levels one and four

01:30

with multistory stairs.

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It's not possible to edit the stairs immediately.

01:35

If I select the multistory stair here, we can see on the ribbon

01:38

that the edit stairs option is not available to us.

01:41

We must first hover over press tab and then select the actual stairs within

01:47

and then we will see the stairs that are grouped together as

01:49

they are of the same story height all pinned in place.

01:53

And we're then able to edit those stairs

01:55

and they will all inherit the same changes that we make.

01:59

Looking at the top floor.

02:01

We can see that the stairs don't quite extend up to the roof here.

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And this is because the roof sits on the level and goes upwards.

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So therefore to edit these stairs,

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we'll unpin them so that they're no longer part of the group.

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And we can now edit these stairs separately.

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So from the modified stairss ribbon, we'll click edit stairs

02:22

and now we can simply select the run at the top

02:25

and using the drag end control here, we can just drag this up to the top of the roof

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and that should add in the extra two

02:32

rises that we need for this particular staircase.

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So now we'll click finish edit mode to finish editing those stairs.

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And we can see now that they,

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that they are spanning all the way up to the roof.

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If I swap back to the rear stairs, 3d view,

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we can now see that we have those stairs created

02:51

going from the bottom right the way up to the roof.

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We can also see that we have the floors going through the stairs.

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So we need to add some openings in to create the stairwell

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as floors two and three are the same. We can use a shaft opening for that.

03:06

So from the project browser, we'll open up the floor plan view level two,

03:10

rear stairs.

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Now, from the architecture ribbon tab on the openings panel,

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we'll choose the shaft opening tool

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looking at the sketch tools here, we'll change it from line to a rectangle

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and now we can zoom in and snap to the

03:27

corner at the top right hand side of the stairwell here

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and then zooming in.

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We'll get the bottom left corner here which is the edge of the stairwell

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and then that creates the rectangle.

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But we need to notch this edge here to give some support to the bottom stair. So

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I'll change the sketch tools to be pick lines

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and then we can select along the edge of the riser and

03:49

then along the edge of the stairs to create those lines.

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And now from the modify ribbon on the modify panel, we choose trim extend to corner

03:57

and just click on the corner lines here to create that enclosed sketch.

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So now that we have that boundary created,

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we'll click finish edit mode for that shaft opening to be created.

04:10

And now we'll swap back to the stair section view and we can see

04:13

the shaft there in the view going through the two floors that we require.

04:17

As soon as I deselect it, it disappears and we can see the opening. Now,

04:22

now looking at the roof level,

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we need to create a different opening as the stairs are slightly

04:26

longer and the same opening for the lower ones wouldn't work.

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So

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as it's just through the roof, we can use the vertical opening tool for this.

04:34

So from the project browser, let's open up the level four floor plan view

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and then we zoom into the corner where the stairs are

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and from the architecture ribbon tab

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on the openings panel, we'll choose the vertical opening tool.

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First, we need to select the roof to add the opening into.

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And now we have the opening boundary sketch tools available.

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We'll change this from line to a rectangle

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and now we can zoom in and select the top right hand corner of

05:04

where the opening needs to be on the end of these walls here.

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And now panning across, we can get the bottom left corner

05:11

which is at the top of the stairs.

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And now with that sketch created,

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we can click finish edit mode to create the opening in the roof.

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So we'll swap back to the stairs section and we can

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now see that we have that opening going through the roof.

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And if we swap back to the rear stairs, 3d view

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means that you know that we have our multi

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story stairs spanning across the height of the building

05:33

with the stairwells created using the open ends.