Hi Baino,
I see no way to adjust Winder steps to get them coming to a point in dialog settings.
So, use old fashion way. Create the 3 Winders using either a surface or a floor by pick points. You can use existing layout as base to trace over, just bringing them to a ‘point’.
Then add two straight sections of stairs, one for bottom, one for top, noting riser heights.
Elevate the 3 winders independently and the top straight section.
Make the Winders ‘depth’ equal to other stairs step heights.
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No solution yet for handrails other than to create a new location, create a ‘normal winder, add hand rail. One will have to be by pick points and elevated.
Align your stair with ‘parts’ over the one with handrail. Then in new location turn off stairs and leave on handrails.
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I have seperated the 3 winders in the image to clarify them as seperate items.
Jack
zimmerdesign.com