Hello, I’m trying to model a heritage staircase made of cast iron and timber handrail, the existing geometry of the handrail twists at each turning with a specific profile. I’m having difficulty modeling this, has anyone got any good tips and advice to how to model this please?
That’s a classic problem people keep running into. You could try Eneroth’s Upright Extruder:
https://extensions.sketchup.com/extension/ef5e2452-244d-4905-8696-35ef63e48363/eneroth-upright-extruder
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wow¬ this is really cool, I will try it now! ps: that is the profile and everything¬ 
thank you ever so much!!! this is exactly I need. thank you!
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