Baratza Vario parametric portaholder

I wish I had coffee grinds filament for this one ...

[Baratza Vario](https://www.amazon.com/gp/product/B0027DVMDC/ref=as_li_tl?ie=UTF8&tag=mgx3d-20&camp=1789&creative=9325&linkCode=as2&creativeASIN=B0027DVMDC&linkId=9cddad2b6154712f7d073be034dc6406) is such a nice coffee grinder but the portaholder design is ... less than ideal: makes a mess everywhere, can't hold the portafilter by itself and breaks easily.

I designed this portaholder with a funnel for my 58mm Breville portafilter, but t