On Fri, 1 Jan 2021, Aditya Mahajan wrote:

> On Tue, 29 Dec 2020, Garulfo wrote:
> 
> > Which process would you advice to add « drop shadows » to any kind of metafun / metapost figures like:
>
> > Actually, all this seems long and tedious, and contrasts with the already existing links between MetaPost / MetaFun and cairo + libpng.
> 
> There was a drops module by Peter Rolf, which provides exactly these features:
> 
> https://mailman.ntg.nl/pipermail/ntg-context/2016/084242.html
> 
> It is not part of modules.contextgarden.net and the url in the previous post is no longer valid. 
> 
> I am CC:ing Peter and perhaps he can point to the updated location for the module. 

Also, if you don't want the shadows to be too nice, you can also translate the fake shadows used by tikz to metapost:

https://adityam.github.io/context-blog/post/drop-shadow-with-lifted-corners/

Aditya