Here you will find the 3D-printed pieces needed to build my Arduino Fireworks Launcher as presented in my video.
Main material you will need for this build is 20mm standard electrical PVC piping. All lengths are 90cm in my build, except for the height and sidepipes which are 50cm long.
I used the "Tweeble" piece for fixing all the corners, but you can also use the xsection-piece to get the same result. The LED-piece is placed between the bottom piece and the pipe if you want the LED version. You need to superglue it. Then use the xsection piece for everything else.
Good luck! :-)