[Blender] Duplicate background images from first one

blender_dupl_background_images.py

# Duplicate background images from first one
# Paste to Blender Python Console, and press ENTER twice
# Authored by Retorillo
# CC0 License, No Rights Reserved
# <START>
for a in bpy.data.screens['Default'].areas:
	if a.spaces[0].type != 'VIEW_3D':
		continue
	bkg = a.spaces[0].background_images
	if len(bkg) == 0:
		raise Exception('background_images is empty')
	bkg[0].view_axis = 'FRONT'
	for axis in ['RIGHT', 'TOP']:
		bi = bkg.new()
		bi.view_axis = axis
		bi.image = bkg[0].image
		bi.offset_x = bkg[0].offset_x
		bi.offset_y = bkg[0].offset_y
		bi.size = bkg[0].size
		bi.use_flip_x = bkg[0].use_flip_x
		bi.use_flip_y = bkg[0].use_flip_y
		bi.rotation = bkg[0].rotation
	break
# <END>