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Spiral Staircase


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#1 Steven Kirchoff

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Posted 09 September 2015 - 11:04 AM

Wondering if anyone knows how to go about drawing a spiral staircase.



#2 Yvon Gonthier

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Posted 09 September 2015 - 11:31 AM

Draw a curved stair and adjust the sweep. Can get a little funky when getting close to 359 degrees with the perimeter circles that might have to be drawn as a shape in plan but 3D still works.

Above 359 degree sweep, you might have to do it as 2 stairs.

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#3 Keith Almond

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Posted 09 September 2015 - 11:36 AM

Go to DRAW > STAIR > SKETCH > CURVED. Set the HEIGHT, RADIUS (that would be to the outside), and staircase WIDTH to suit. Adjust sweep and angle as necessary.

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  • 2015.09.09_13h32m29s_001.png

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#4 Martin Livingston

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Posted 09 September 2015 - 11:36 AM

Draw a curved staircase and edit the sweep to 360 degrees and the radius to the required amount to give you the desired effect. I just tried it myself and seems to work fine.


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#5 Anthony Wielemaker

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Posted 09 September 2015 - 11:36 AM

It's just a curved staircase with a 359deg sweep or whatever you require and make the radius the width of the stair you want plus half the diameter of the post you want up the centre.  Now here's a question for someone else. I mocked up these stairs practicing my 3p's and I can't get the spindles to change to white any idea why?  Only the top little triangular piece changes to white, I've opften have the opposite happen where I can't get the little trianglular piece to change but the spindle does but you can hardly see it so I've never bothered to trouble shoot. it.

 

2015-09-09 13_29_53-SoftPlan 2016 - 15-08 Thompson Residence.png

 

You beat me to it Yvon and Keith and Martin but I'm still going to post this.



#6 Martin Livingston

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Posted 09 September 2015 - 11:36 AM

Wow. Three answers in the space of a few minutes!


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#7 Martin Livingston

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Posted 09 September 2015 - 11:37 AM

Make that 4!


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#8 Keith Almond

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Posted 09 September 2015 - 11:39 AM

Damn cross posting again ...


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#9 Anthony Wielemaker

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Posted 09 September 2015 - 11:46 AM

Axe that question about the spindles guys, I saved, exited the project and went back in and they changed, I love it when SP does this to me, or maybe it's my laptop and this damn AMD graphics card.



#10 Keith Almond

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Posted 09 September 2015 - 11:48 AM

Bearing in mind that you have a landing at the top, unless you have really high ceilings, you will probably run out of headroom if you have it too big a sweep. Also under Ontario code, you have to have a minimum 6" tread on the inside, so it gets really wide, and almost impossible to actually use.


Keith

There are 10 types of people in this world ....... Those who understand binary, and those who don't.

Softplan user since version 5.5.2.5

www.homehardwarekingston.ca

#11 Keith Almond

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Posted 09 September 2015 - 11:54 AM

Anthony, that colour phenomenon happens regularly to me too - but ONLY on spindles. SURFACE COPY/PASTE doesn't seem to work. As you say the only thing that seems to work is exit and reload.


Keith

There are 10 types of people in this world ....... Those who understand binary, and those who don't.

Softplan user since version 5.5.2.5

www.homehardwarekingston.ca

#12 Yvon Gonthier

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Posted 09 September 2015 - 11:58 AM

Anthony, that colour phenomenon happens regularly to me too - but ONLY on spindles. SURFACE COPY/PASTE doesn't seem to work. As you say the only thing that seems to work is exit and reload.

So I guess it hasn't been resolved in 2016

#13 Anthony Wielemaker

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Posted 09 September 2015 - 12:03 PM

I'm going to say it hasn't Yvon, although it might be my graphics card i've seen some pretty weird things, just have to remember the first rule of computer troublshooting, restart or reboot.

 

Back to the spiral staircase Keith and Yvon that have you ever been allowed or tried to get allowance by a municipality to incorporate a spiral staircase if it is a secondary exit?



#14 Yvon Gonthier

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Posted 09 September 2015 - 12:11 PM

Done circular stairs but never a spiral.



#15 Anthony Wielemaker

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Posted 09 September 2015 - 12:20 PM

I've had a couple projects where we were going to see if we could get the municipality to allow them (one was a rooftop hot tub that would have been pretty nice) but the projects got canned so we never got to the permit stage and I was wondering what other Ontario designers might have experienced. 



#16 Martin Livingston

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Posted 09 September 2015 - 12:32 PM

I ran into that same problem with the spindle color. The solution was to use an alternate stair finish (finish 6 or 7 etc) and apply the new finish to the stair components. It gets rid of the odd color spindle tops.


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#17 Keith Almond

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Posted 09 September 2015 - 12:35 PM

Any time I've tried a spiral in the past,the municipalities have insisted on the 6" minimum tread, which effectively makes a 30" ish core. which makes a spiral take up too much room.


Keith

There are 10 types of people in this world ....... Those who understand binary, and those who don't.

Softplan user since version 5.5.2.5

www.homehardwarekingston.ca

#18 Anthony Wielemaker

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Posted 09 September 2015 - 12:53 PM

Ya no doubt, good to know tho but it doesn't mean I won't try in future as well, you never know unless you ask, thanks. 



#19 Steven Kirchoff

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Posted 09 September 2015 - 12:53 PM

Thanks so much guys. This really helps.

 



#20 Yvon Gonthier

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Posted 09 September 2015 - 12:55 PM

I think they get away with it with the overlap which varies so from the outside to the inside providing the 6" for the foot but not based on a 1" nosing since it's open. They also play with rubber surface which defines the thread. Don't know that you can actually draw an exact rendition with Softplan because of the various centres.

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  • Spiral stairs threads.JPG
  • Spiral stairs threads2.JPG





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