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Updated to use ExportSVG

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gumyr 2023-07-25 21:24:06 -04:00
parent d77148144f
commit 6d48bc9406
10 changed files with 1212 additions and 74 deletions
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87
examples/lego.py
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@ -27,6 +27,7 @@ license:
limitations under the License.
"""
from build123d import *
from ocp_vscode import *
pip_count = 6
@ -43,20 +44,14 @@ ridge_width = 0.6
ridge_depth = 0.3
wall_thickness = 1.2
svg_opts = {
"pixel_scale": 20,
"show_axes": False,
"show_hidden": False,
}
with BuildPart() as lego:
# Draw the bottom of the block
with BuildSketch() as plan:
# Start with a Rectangle the size of the block
perimeter = Rectangle(width=block_length, height=block_width)
plan.sketch.export_svg(
"tutorial_step4.svg", (0, 0, 10), (0, 1, 0), svg_opts=svg_opts
)
exporter = ExportSVG(scale=6)
exporter.add_shape(plan.sketch)
exporter.write("assets/lego_step4.svg")
# Subtract an offset to create the block walls
offset(
perimeter,
@ -64,40 +59,44 @@ with BuildPart() as lego:
kind=Kind.INTERSECTION,
mode=Mode.SUBTRACT,
)
plan.sketch.export_svg(
"tutorial_step5.svg", (0, 0, 10), (0, 1, 0), svg_opts=svg_opts
)
exporter = ExportSVG(scale=6)
exporter.add_shape(plan.sketch)
exporter.write("assets/lego_step5.svg")
# Add a grid of lengthwise and widthwise bars
with GridLocations(x_spacing=0, y_spacing=lego_unit_size, x_count=1, y_count=2):
Rectangle(width=block_length, height=ridge_width)
with GridLocations(lego_unit_size, 0, pip_count, 1):
Rectangle(width=ridge_width, height=block_width)
plan.sketch.export_svg(
"tutorial_step6.svg", (0, 0, 10), (0, 1, 0), svg_opts=svg_opts
)
exporter = ExportSVG(scale=6)
exporter.add_shape(plan.sketch)
exporter.write("assets/lego_step6.svg")
# Substract a rectangle leaving ribs on the block walls
Rectangle(
block_length - 2 * (wall_thickness + ridge_depth),
block_width - 2 * (wall_thickness + ridge_depth),
mode=Mode.SUBTRACT,
)
plan.sketch.export_svg(
"tutorial_step7.svg", (0, 0, 10), (0, 1, 0), svg_opts=svg_opts
)
exporter = ExportSVG(scale=6)
exporter.add_shape(plan.sketch)
exporter.write("assets/lego_step7.svg")
# Add a row of hollow circles to the center
with GridLocations(
x_spacing=lego_unit_size, y_spacing=0, x_count=pip_count - 1, y_count=1
):
Circle(radius=support_outer_diameter / 2)
Circle(radius=support_inner_diameter / 2, mode=Mode.SUBTRACT)
plan.sketch.export_svg(
"tutorial_step8.svg", (0, 0, 10), (0, 1, 0), svg_opts=svg_opts
)
exporter = ExportSVG(scale=6)
exporter.add_shape(plan.sketch)
exporter.write("assets/lego_step8.svg")
# Extrude this base sketch to the height of the walls
extrude(amount=base_height - wall_thickness)
lego.part.export_svg(
"tutorial_step9.svg", (-5, -30, 50), (0, 0, 1), svg_opts=svg_opts
)
visible, hidden = lego.part.project_to_viewport((-5, -30, 50))
exporter = ExportSVG(unit=Unit.MILLIMETER, scale=6)
exporter.add_layer("Visible")
exporter.add_layer("Hidden", line_color=(99, 99, 99), line_type=LineType.ISO_DOT)
exporter.add_shape(visible, layer="Visible")
exporter.add_shape(hidden, layer="Hidden")
exporter.write("assets/lego_step9.svg")
# Create a box on the top of the walls
with Locations((0, 0, lego.vertices().sort_by(Axis.Z)[-1].Z)):
# Create the top of the block
@ -107,16 +106,13 @@ with BuildPart() as lego:
height=wall_thickness,
align=(Align.CENTER, Align.CENTER, Align.MIN),
)
lego.part.export_svg(
"tutorial_step10.svg",
(-5, -30, 50),
(0, 0, 1),
svg_opts={
"pixel_scale": 20,
"show_axes": False,
"show_hidden": True,
},
)
visible, hidden = lego.part.project_to_viewport((-5, -30, 50))
exporter = ExportSVG(unit=Unit.MILLIMETER, scale=6)
exporter.add_layer("Visible")
exporter.add_layer("Hidden", line_color=(99, 99, 99), line_type=LineType.ISO_DOT)
exporter.add_shape(visible, layer="Visible")
exporter.add_shape(hidden, layer="Hidden")
exporter.write("assets/lego_step10.svg")
# Create a workplane on the top of the block
with BuildPart(lego.faces().sort_by(Axis.Z)[-1]):
# Create a grid of pips
@ -126,21 +122,14 @@ with BuildPart() as lego:
height=pip_height,
align=(Align.CENTER, Align.CENTER, Align.MIN),
)
lego.part.export_svg(
"tutorial_step11.svg", (-100, -100, 50), (0, 0, 1), svg_opts=svg_opts
)
lego.part.export_svg(
"tutorial_lego.svg",
(-100, -100, 50),
(0, 0, 1),
svg_opts={
"pixel_scale": 20,
"show_axes": False,
"show_hidden": True,
},
)
visible, hidden = lego.part.project_to_viewport((-100, -100, 50))
exporter = ExportSVG(unit=Unit.MILLIMETER, scale=6)
exporter.add_layer("Visible")
exporter.add_layer("Hidden", line_color=(99, 99, 99), line_type=LineType.ISO_DOT)
exporter.add_shape(visible, layer="Visible")
exporter.add_shape(hidden, layer="Hidden")
exporter.write("assets/lego.svg")
assert abs(lego.part.volume - 3212.187337781355) < 1e-3
if "show_object" in locals():
show_object(lego.part.wrapped, name="lego")
show_object(lego.part.wrapped, name="lego")