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toman311
Enthusiast

Stair Winders

I'm trying to get a single winder on a stair that has a different start width before the winder than after the winder. I can get the widths right, but the actual single winder doesn't start and end at a corner. I'm not sure how I can get it to do that? I'm out of ideas. Does anyone know? I don't want the winder to be at a 45 degree.
>ArchiCAD 23, 7000 USA FULL

>iMac, 27-inch, 2020, Processor: 3.8 GHz 8-Core Intel Core i7, Memory: 64 GB 2667 MHz DDR4, Graphics: AMD Radeon Pro 5500 XT 8 GB
1 Solution

Accepted Solutions
Barry Kelly
Moderator
If you have treads and risers then you can simply 'Edit' the stair in plan and stretch the treads risers to the corner.
This will not adjust the stair structure though.
I am not sure if you can adjust that.
As far as I know you can only have winders with equal angles or equal goings.

Barry.
One of the forum moderators.
Versions 6.5 to 27
i7-10700 @ 2.9Ghz, 32GB ram, GeForce RTX 2060 (6GB), Windows 10
Lenovo Thinkpad - i7-1270P 2.20 GHz, 32GB RAM, Nvidia T550, Windows 11

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5 Replies 5
Barry Kelly
Moderator
If you have treads and risers then you can simply 'Edit' the stair in plan and stretch the treads risers to the corner.
This will not adjust the stair structure though.
I am not sure if you can adjust that.
As far as I know you can only have winders with equal angles or equal goings.

Barry.
One of the forum moderators.
Versions 6.5 to 27
i7-10700 @ 2.9Ghz, 32GB ram, GeForce RTX 2060 (6GB), Windows 10
Lenovo Thinkpad - i7-1270P 2.20 GHz, 32GB RAM, Nvidia T550, Windows 11
toman311
Enthusiast
Thanks Barry.

I didn't know about the inability to move the structure and to only be able to move the treads and risers.

Thanks again!
>ArchiCAD 23, 7000 USA FULL

>iMac, 27-inch, 2020, Processor: 3.8 GHz 8-Core Intel Core i7, Memory: 64 GB 2667 MHz DDR4, Graphics: AMD Radeon Pro 5500 XT 8 GB
Achille Pavlidis
Advocate
What is the point to be able to alter treads and risers, and not the structure?
Mac OS 26.1 | AC 29.0.2 INT 3200 FULL
Barry Kelly
Moderator
Achille wrote:
What is the point to be able to alter treads and risers, and not the structure?

I guess the structure is what contains the geometry of the stair (tread length, riser height, number of treads, etc.) and so can not be altered.
But in my opinion this should be contained in an underlying geometry frame and the structure should be able to be altered - curved treads for example,
Then the treads and risers can follow the structure or can be further edited on their own.

But this is just a guess on my part.

I agree the structure should be adjustable.
What happens when we want a solid concrete stair with no tread or riser finish, but want it to have curved steps?


Barry.
One of the forum moderators.
Versions 6.5 to 27
i7-10700 @ 2.9Ghz, 32GB ram, GeForce RTX 2060 (6GB), Windows 10
Lenovo Thinkpad - i7-1270P 2.20 GHz, 32GB RAM, Nvidia T550, Windows 11
Minh Nguyen
Graphisoft Alumni
Graphisoft Alumni
Hi All,

Thank you very much for sharing your opinions regarding the stair structure in Stair tool.

I am happy to say we already had this wish recorded in our Wish List database (please refer to it as Wish #11919). Hopefully, we will be able to implement it soon!

Thank you all once more, and I wish you a great day!

Best regards,
Minh

Minh Nguyen
Technical Support Engineer
GRAPHISOFT

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