particle editor

Hello there, I want to test my custom unusual effect with itemtest but I have a problem. The particle itself is finished and there's also an empty superrare_beams1 particle in the same pcf file with the custom effect as a child particle. However, I can't do anything if I switch from tool mode...

Hello, I apologize if there is a thread that had this problem answered already, and that I just made this account some five minutes ago after making this thread, but I'm stumped. I have made a test particle in TF2's particle editor, and would like to see how it looks in-game on a cosmetic...

I am working with the Particle Editor for the first time to create a submission for the unusual effect competition. I already have a test effect created and saved as a .pcf in my tf/particles folder, how do I apply it to a hat in the itemtest map? Bringing up the itemtest menu provides me with...