While I'm not entirely sure how practical it is, I came up with this idea and made it :P
It's a spacer designed to utilize the upper space of my favorite "Serene Funnel".
Serene Funnel : https://www.printables.com/model/1064450-serene-funnel-for-gravitrax
It's based on the 'Spider Spacer' and allows you to install tiles or spacers 20mm above the top surface of the Serene Funnel."
Spider Spacers : https://www.printables.com/model/1033087-spider-spacers-for-gravitrax
Print Setting :
Layer Height : 0.2mm
The author marked this model as their own original creation.