1+ ---
2+ jupytext:
3+ text_representation:
4+ extension: .mystnb
5+ format_name: myst
6+ format_version: 0.13
7+ jupytext_version: 1.14.1
8+ kernelspec:
9+ display_name: Python 3 (ipykernel)
10+ language: python
11+ name: python3
12+ ---
13+ # Single body with material assignment
14+
15+ In PyGeometry, a ``Body`` represents solids or surfaces organized within the ``Design`` assembly.
16+ The current state of ``Sketch``, which is a client-side execution, can be used for the operations of
17+ the geometric design assembly. The Geometry Service also provides data structures to create individual materials
18+ and its properties, which are also exposed through PyGeometry.
19+
20+ This example demonstrates how to create a single body from a sketch, by requesting its extrusion,
21+ and how to assign a material to it.
22+
23+ ```{code-cell} ipython3
24+ from pint import Quantity
25+
26+ from ansys.geometry.core import Modeler
27+ from ansys.geometry.core.materials import Material, MaterialProperty, MaterialPropertyType
28+ from ansys.geometry.core.math import UNITVECTOR3D_Z, Frame, Plane, Point2D, Point3D, UnitVector3D
29+ from ansys.geometry.core.misc import UNITS
30+ from ansys.geometry.core.sketch import Sketch
31+ ```
32+ ## Defining the ``Sketch``
33+
34+ Create a basic ``circle`` sketch instance with radius 10mm in the default plane.
35+
36+ ```{code-cell} ipython3
37+ sketch = Sketch()
38+ sketch.circle(Point2D([10, 10], UNITS.mm), Quantity(10, UNITS.mm))
39+ ```
40+
41+ ## Initiate the design in the server
42+
43+ A server connection is established and a design has been initiated.
44+ ```{code-cell} ipython3
45+ modeler = Modeler()
46+ design_name = "ExtrudeProfile"
47+ design = modeler.create_design(design_name)
48+ ```
49+
50+ ## Add materials to the design
51+
52+ Adding materials and its properties to the design. Additional properties of
53+ the material can be added at construction of the ``Material`` object or afterwards,
54+ as it is shown in the code snippet.
55+ ```{code-cell} ipython3
56+ density = Quantity(125, 10 * UNITS.kg / (UNITS.m * UNITS.m * UNITS.m))
57+ poisson_ratio = Quantity(0.33, UNITS.dimensionless)
58+ tensile_strength = Quantity(45)
59+ material = Material(
60+ "steel",
61+ density,
62+ [MaterialProperty(MaterialPropertyType.POISSON_RATIO, "PoissonRatio", poisson_ratio)],
63+ )
64+ material.add_property(MaterialPropertyType.TENSILE_STRENGTH, "TensileProp", Quantity(45))
65+ design.add_material(material)
66+ ```
67+ ## Extrude the body from the sketch
68+
69+ Extrude the sketch to create the body and assign a material to it.
70+
71+ ```{code-cell} ipython3
72+ # Extrude the sketch to create a Body
73+ body = design.extrude_sketch("SingleBody", sketch, Quantity(10, UNITS.mm))
74+
75+ # Assign a material to a Body
76+ body.assign_material(material)
77+
78+ body.plot()
79+ ```
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