square

[1]:

from pyfeyn2.render.all import AllRender
ar = AllRender().demo_vertex("square")

tikz:
../../../_images/feynml_attributes_shape_square_1_1.png 
pyx:
../../../_images/feynml_attributes_shape_square_1_3.png 
feynmp:
../../../_images/feynml_attributes_shape_square_1_5.png 
feynman:
../../../_images/feynml_attributes_shape_square_1_7.png 
dot:
../../../_images/feynml_attributes_shape_square_1_9.png 
asciipdf:
../../../_images/feynml_attributes_shape_square_1_11.png 
unicodepdf:
../../../_images/feynml_attributes_shape_square_1_13.png 
[ ]: