11.33.3 Can you answer these questions?

11.33.3.1 Parametric Plot 3D Surface Model
11.33.3.2 LinTicks from CustomTicks not working in version 14.2
11.33.3.3 Caching RegionMember functions in a CDF file
11.33.3.1 Parametric Plot 3D Surface Model

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=315470

I'm trying to recreate this plot. Its over the interval $ 
u, v \in[0,2 \pi]$ 
 
My attempt is horrific. 
... 
[plotting] [parametric-functions] [parametricplot3d]
 
asked by Tomi https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=36939 Score of 1
11.33.3.2 LinTicks from CustomTicks not working in version 14.2

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=315451

I am using the following sample code from the documentation of CustomTicks (release 2.1.1 from August 2020) in Mathematica 14.2: 
... 
[plotting] [customticks]
 
asked by Jens https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=47593 Score of 2
11.33.3.3 Caching RegionMember functions in a CDF file

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=315467

I am trying to construct a version of LocalTimeZone that works in CDF files without internet access. Timezone data is available in the form of ShapeFiles, which Wolfram supports. I have acquired a ... 
[regions] [date-and-time] [cdf-format] [caching] [persistence]
 
asked by Spencer Rugaber https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=29388 Score of 1