Blow the balloon, tie the knot, and slip it into a little hook. After you are done, slide on the rod.
Print it in ABS,PLA,PETG,ASA or whatever you want, I do add an extra fan on ASA around 50% to smooth a little bit in the heated chamber.
Layer height: 0.1 / 0.2 / 0.3
shell: 2 perimeters
Solid layer: top 2 / bottom 2
This is my old model made in 2018. Due expensive price tag, was 10 pieces for 10$ and delivery over 1 month.
The author marked this model as their own original creation.