Tell us about yourself!
nope if you look closely the glass funnel extends a few inches below the copper. this is more a nice holder for a simple pour over coffee. I would be more concerned about the epoxy since most pipes in your home are coper. now there would be a concern since you may be changing the acid levels and with and heat that may be in issue but not a big deal since this one you are only coming into contact with glass and paper.
Creating Helmets and Armor from Videogames for Fun and Profit!
How to make a cardboard costume helmet
Making an army of Gromit's (Claymation Mold making)