import bpy class GRAOU_PT_thumbnail(bpy.types.Panel): bl_idname = 'GRAOU_PT_thumbnail' bl_space_type = 'VIEW_3D' bl_region_type = 'UI' bl_label = 'Thumbnail' bl_category = 'Graou Studio' def draw(self, context): layout = self.layout layout.label(text='Thumbnail:')