3d printed

I printed the chest piece and glued it together (that's what the white stuff is on the piece) and the sizing is off by a bit. I was wondering if anyone has any input on how much I could increase the percent of the piece in my 3d printer slicer program for it to fit me. Currently, it's at 100%...

Hi everyone, I’m wondering if anyone has been able to 3d print props and then finish them in a way that yields zero visible print lines? Please post high quality photos if you know of any and how they achieved it. Also, what filament was used. Thanks! Steven

First off, I have a few for sale on Etsy occasionally if interested under Coz3D Boba Fett Jetpack Kit, Boba Fett, Fett Jetpack, My history: The Boba jetpack is my white whale that I have been chasing for years. It was the last item that I scratch built for my fett costume and I have never...