from math import radians
from compas.geometry import Box
from compas.geometry import Plane
from compas.geometry import Rotation
from compas_viewer import Viewer
box = Box(1).to_brep()
R = Rotation.from_axis_and_angle([0, 1, 0], radians(30))
plane = Plane.worldXY()
plane.transform(R)
trimmed = box.trimmed(plane)
# =============================================================================
# Visualization
# =============================================================================
viewer = Viewer()
# viewer.view.camera.position = [2, -4, 1]
# viewer.view.camera.look_at([0, 0, 0])
viewer.scene.add(plane, opacity=0.5)
viewer.scene.add(trimmed, linewidth=2, show_points=False)
viewer.scene.add(box, linewidth=1, show_points=False, show_faces=False)
viewer.show()
