Brep Split

from math import radians

from compas_viewer import Viewer

from compas.geometry import Box
from compas.geometry import Brep
from compas.geometry import Plane
from compas.geometry import Rotation

box = Box(1).to_brep()

R = Rotation.from_axis_and_angle([0, 1, 0], radians(30))
plane = Plane.worldXY()
plane.transform(R)
splitter = Brep.from_plane(plane, domain_u=(-2, +2), domain_v=(-2, +2))

result = box.split(splitter)

# =============================================================================
# Visualization
# =============================================================================

viewer = Viewer()

viewer.renderer.camera.target = [0, 0, 0]
viewer.renderer.camera.position = [2, -4, 1]

viewer.scene.add(splitter, linewidth=2, opacity=0.3)

for brep in result:  # type: ignore
    viewer.scene.add(brep, linewidth=2, show_points=False)

viewer.show()