Wolfram Function Repository
Instantuse addon functions for the Wolfram Language
Function Repository Resource:
Plot intrinsic curves in 3D
ResourceFunction["Intrinsic3DCurve"][κ,τ,a,b,w,ds,n] plot an intrinsic curve with curvature κ and torsion τ with parameters a and b and width w in discrete steps ds applied n times. 
A simple curve:
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Increasing width, we get a ribbonlike surface (in fact, a ruled surface—the other edge has a displaced TNB frame):
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With a constant function:
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A higher constant function:
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A function varying rapidly needs small discrete steps to plot smoothly:
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Avoid undefined values like Log[0]:
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Wolfram Language 11.3 (March 2018) or above
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