Demo of proposed multilayer DXF utility class for CadQuery. See https://github.com/CadQuery/cadquery

cadquery-multilayer-dxf-proposal.py

"""Multilayer DXF demo.

Demo of proposed multilayer DXF utility class for `CadQuery <https://github.com/CadQuery/cadquery>`_.

See ` DXF multilayer support #1267  <https://github.com/CadQuery/cadquery/pull/1267>`_.
"""

import cadquery as cq

from osr_common.cq_dxf import DxfDocument

spline_points = [(90, 50), (83, 60), (65, 50), (50, 33), (33, 40), (15, 35), (0, 35)]
spline = (
    cq.Workplane("XY")
    .lineTo(100, 0)
    .lineTo(100, 35)
    .spline(spline_points, includeCurrent=True)
    .close()
)

circle = cq.Workplane().moveTo(15, 15).circle(10)
ellipse_arc = cq.Workplane().ellipseArc(1, 2, 0, 180)
ellipse = cq.Workplane().moveTo(45, 15).ellipse(15, 10, 0)
rectangle = cq.Workplane().moveTo(70, 15).rect(10, 20)
fold_line = cq.Workplane().moveTo(80, -5).line(0, 70)

dxf = DxfDocument(setup=True)

dxf = (
    dxf.add_layer("layer_cut", color=2)
    .add_layer("layer_line_engrave", color=3)
    .add_layer("layer_area_engrave", color=4)
    .add_layer("layer_fold", color=5, linetype="DASHED")
    .add_shape(spline, "layer_cut")
    .add_shape(ellipse, "layer_cut")
    .add_shape(ellipse_arc, "layer_line_engrave")
    .add_shape(circle, "layer_line_engrave")
    .add_shape(rectangle, "layer_area_engrave")
    .add_shape(fold_line, "layer_fold")
)

dxf.document.saveas("multilayer-demo.dxf")