"""Open-ended GT2 (2GT) timing belt as a straight envelope for assemblies: a bar of the belt's overall height and width, length along X, centred on the
origin, back of the belt up. Teeth are not modelled."""
from steve import Model

width = 6  # mm Belt width
length = 300  # mm Belt length

# Handson Technology, GT2 belt data sheet: 2 mm pitch, belt height 1.38 mm, tooth height 0.75 mm.
HEIGHT = 1.38

model = Model()
with model.sketch("belt_sketch", on="XY", name="Belt") as sk:
    sk.rect("outline", (-length / 2, -width / 2), (length / 2, width / 2))
model.extrude("belt", "belt_sketch", distance=HEIGHT, name="Belt")
result = model.result()