Hi,
This flag made in blender, using cycles and cloth simulation, that's why use .blend formate for better and error free result
file info:- contains .blend [Animation + perfect matrial ]:- obj [single]:- obj animated [in zip]:- fbx [Simple]:- Stl [For Printing only]
if u like that , don't forget to rate it.
images:- wireframe + render + matirial priview + In Blender fotage
pro tip:- bake all dynamics to animate [Simple and shown in above images]
STL (Stereolithography, filesize: 3 MB), OBJ (OBJ, filesize: 86.4 MB), FBX (Autodesk FBX, filesize: 1.49 MB), BLEND (Blender, filesize: 74.2 MB)