The file 'Naofumi’s Shield – The Rising Of The Shield Hero 3D Printer Model' is (step,stl) file type, size is 487.9KB.
There are several variations of Naofumi's base shield, but I really like the look of the one drawn in the official promo art for The Rising of the Shield Hero anime. It's drawn a bit softer/rounder in many of the anime scenes, but it still has this same shape. It is definitely different than what you see in the manga.
I modeled this at 10 inches tall, This seems to be about right to wear on an arm in Naofumi's "standby" mode, but it can always be scaled as needed.
The Grey Matteforge Matte PLA used to print this design was provided by Printed Solid:
https://www.printedsolid.com/
I have included a STEP file in the downloads for easy customization.
Shield_Combined.step | 188.3KB | |
Shield_Combined.stl | 560.5KB | |
Shield_Multi_Part.step | 211.6KB | |
Shield_Part_1.stl | 189.8KB | |
Shield_Part_2.stl | 99.0KB | |
Shield_Part_3.stl | 393.8KB |