"""Flat bar / rectangular bar (solid rectangular stock), any width, thickness and length: EN 10058 hot-rolled flat
bars and plain flat or rectangular bar.

A rectangular section, `width` along X and `thickness` along Y, centred on the origin, extruded along +Z by
`length`. Sharp edges: the edge rounding allowed by EN 10058 is not modelled.
"""
from steve import Model

width = 20  # mm Width b
thickness = 5  # mm Thickness t
length = 100  # mm Length
material = "steel"  # Material

# material choice: (STEVE material library id, appearance colour)
MATERIALS = {
    "steel": ("steel-s235jr", "#8a8d91"),            # EN 10025-2 S235JR, hot rolled
    "stainless-304": ("stainless-304", "#c9ccd0"),   # EN 10088 1.4301
    "aluminium-6061": ("aluminum-6061-t6", "#d4d7db"),
    "brass": ("brass", "#c9a54a"),
}

material_id, colour = MATERIALS[material]

model = Model()
with model.sketch("section", on="XY", name="Section") as sk:
    sk.center_rect("outline", (0, 0), width, thickness)
model.extrude("bar", "section", distance=length, name="Bar")
model.material(material_id, color=colour)
result = model.result()