%>%	pipe
add_object	add_object
arrow	arrow
cone	cone
convert_color	convert_color
cube	cube
cylinder	cylinder
dielectric	dielectric
diffuse	diffuse
disk	disk
ellipsoid	ellipsoid
extruded_polygon	extruded_polygon
fliplr	fliplr
flipud	flipud
generate_cornell	generate_cornell
generate_ground	generate_ground
generate_studio	generate_studio
glossy	glossy
group_objects	group_objects
lambertian	lambertian
light	light
metal	metal
microfacet	microfacet
new_tibble_row	new_tibble_row
obj_model	obj_model
pig	pig
plot_map	plot_map
render_scene	render_scene
r_obj	r_obj
save_png	save_png
segment	segment
sphere	sphere
triangle	triangle
xy_rect	xy_rect
xz_rect	xz_rect
yz_rect	yz_rect
