Quantity   Component name
1 × 3D Printer
3 × Resistors SAT (selected at testing) I used 100k, and two 1k Ohms
1 × Capacitor 1uF or 100uF SAT (select at testing)
1 × 9 volt battery Any brand will do
1 × 5mm LED I used blue. Color is optional
1 × Conductive filament I used Proto-Pasta
1 × 555 timer IC General 555 timer IC 8 pin dip package
1 × PLA filament Any color. I used blue