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# Copyright (c) 2022, Manfred Moitzi
# License: MIT License
import pathlib
import ezdxf
from ezdxf.math import Vec3
from ezdxf.path import chamfer, chamfer2, fillet, polygonal_fillet, Path
CWD = pathlib.Path("~/Desktop/Outbox").expanduser()
if not CWD.exists():
CWD = pathlib.Path(".")
# ------------------------------------------------------------------------------
# This example shows how to use the chamfer and fillet tools.
#
# docs:
# chamfer: https://ezdxf.mozman.at/docs/path.html#ezdxf.path.chamfer
# fillet: https://ezdxf.mozman.at/docs/path.html#ezdxf.path.fillet
# ------------------------------------------------------------------------------
def chamfer_tool():
doc = ezdxf.new()
msp = doc.modelspace()
for angle in range(-165, 180, 15):
points = Vec3.list([(-100, 0), (0, 0), Vec3.from_deg_angle(angle, 100)])
p = chamfer(points, length=3.0)
msp.add_polyline3d(p.flattening(0))
doc.saveas(CWD / "chamfer.dxf")
def chamfer2_tool():
doc = ezdxf.new()
msp = doc.modelspace()
for angle in range(-165, 180, 15):
points = Vec3.list([(-100, 0), (0, 0), Vec3.from_deg_angle(angle, 100)])
p = chamfer2(points, a=3, b=6)
msp.add_polyline3d(p.flattening(0))
doc.saveas(CWD / "chamfer2.dxf")
def fillet_tool():
doc = ezdxf.new()
msp = doc.modelspace()
for angle in range(-165, 180, 15):
points = Vec3.list(
[(-100, 0), (0, 0), Vec3.from_deg_angle(angle, 100)]
)
p = fillet(points, radius=10.0)
msp.add_polyline3d(p.flattening(0.1))
doc.saveas(CWD / "fillet.dxf")
def polygonal_fillet_tool():
doc = ezdxf.new()
msp = doc.modelspace()
for angle in range(-165, 180, 15):
points = Vec3.list(
[(-100, 0), (0, 0), Vec3.from_deg_angle(angle, 100)]
)
p = polygonal_fillet(points, radius=10.0, count=16)
msp.add_polyline3d(p.flattening(0))
doc.saveas(CWD / "polygonal_fillet.dxf")
def square_with_single_edge_fillet():
# This example creates a square with a fillet on a single corner.
p = Path()
p.line_to((10, 0))
f = fillet(Vec3.list([(10, 0), (10, 10), (0, 10)]), radius=2)
# combine the paths:
p.append_path(f)
p.close()
doc = ezdxf.new()
doc.modelspace().add_polyline2d(p.flattening(0.1))
doc.saveas(CWD / "square_with_single_edge_fillet.dxf")
if __name__ == "__main__":
chamfer_tool()
chamfer2_tool()
fillet_tool()
polygonal_fillet_tool()
square_with_single_edge_fillet()
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