import gdsfactory as gf

gf.gpdk.PDK.activate()

c = gf.components.litho_calipers(notch_size=(2, 5), notch_spacing=2, num_notches=11, offset_per_notch=0.1, row_spacing=0, layer1='WG', layer2='SLAB150').copy()
c.draw_ports()
c.plot()