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@@ -0,0 +1,107 @@
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+
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+import cadquery as cq
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+from cq_warehouse.thread import (
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+ IsoThread
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+)
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+from ocp_vscode import show, show_object
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+from cadquery.occ_impl.exporters import ExportTypes
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+
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+MM = 1
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+IN = 25.4 * MM
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+
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+distance = 10 * MM
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+
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+seal_diam = 8.2 * MM
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+seal_depth = 5.4 * MM
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+seal_torus_diam = 1.5 * MM
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+cartridge_small_diam = 7.7 * MM
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+cartridge_small_depth = 7 * MM
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+cartridge_large_diam = 8.9 * MM
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+cartridge_large_depth = 3.7 * MM
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+
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+eps = 0.1 * MM
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+
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+iso_external_thread = IsoThread(
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+ major_diameter=7 * MM,
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+ pitch=1 * MM,
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+ length=8 * MM,
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+ external=True,
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+ end_finishes=("chamfer", "chamfer"),
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+)
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+
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+iso_external_core = (
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+ cq.Workplane("XY")
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+ .circle(iso_external_thread.min_radius)
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+ .extrude(iso_external_thread.length)
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+)
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+iso_external = iso_external_thread.cq_object.fuse(iso_external_core.val())
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+
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+housing_diameter = cartridge_large_diam * 1.5
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+housing = (
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+ cq.Workplane("XY")
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+ .rect(housing_diameter, housing_diameter)
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+ .workplane(offset=iso_external_thread.length + distance)
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+ .center(0, housing_diameter/2)
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+ .rect(housing_diameter, housing_diameter * 2)
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+ .workplane(offset=iso_external_thread.length)
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+ .rect(housing_diameter, housing_diameter * 2)
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+ .loft()
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+)
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+# Side A
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+housing = housing.cut(iso_external)
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+# Side B
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+housing = housing.cut(iso_external.translate((0, 0, iso_external_thread.length + distance)))
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+# Cartidge hole
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+housing = (
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+ housing.faces(">Z")
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+ .workplane(centerOption="CenterOfBoundBox")
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+ .center(0, housing_diameter/2)
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+ .circle(cartridge_large_diam / 2)
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+ .cutBlind(-cartridge_large_depth)
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+)
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+housing = (
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+ housing.faces(">Z")
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+ .workplane(centerOption="CenterOfBoundBox")
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+ .center(0, housing_diameter/2)
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+ .circle(cartridge_small_diam / 2)
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+ .cutBlind(-cartridge_small_depth)
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+)
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+# seal as torus
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+seal = (
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+ cq.Workplane('XZ', origin = (seal_diam/2, 0, 0))
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+ .circle(seal_torus_diam/2)
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+ .revolve(360, (-seal_diam/2, 0, 0), (-seal_diam/2, 1, 0))
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+)
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+seal_position = iso_external_thread.length*2 + distance - seal_depth
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+seal_moved = seal.translate((0, housing_diameter, seal_position))
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+housing = housing.cut(seal_moved)
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+
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+# straight channel
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+housing = (
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+ housing.faces("<Z")
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+ .circle(iso_external_thread.min_radius)
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+ .cutThruAll()
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+)
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+
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+sweep = (
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+ housing.faces(">Z")
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+ .workplane(centerOption="CenterOfBoundBox", offset=-cartridge_small_depth)
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+ .center(0, housing_diameter/2)
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+ .circle(cartridge_small_diam / 2)
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+ .workplane(offset=cartridge_small_diam/2-(iso_external_thread.length + distance/2))
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+ .center(0, -housing_diameter)
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+ .transformed(rotate=(-90, 0, 0))
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+ .circle(seal_diam / 2)
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+ .loft(combine=False)
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+)
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+housing = housing.cut(sweep)
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+
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+
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+# show_object(iso_external_thread.cq_object, name="iso_external_thread")
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+# show_object(iso_external_core, name="iso_external_core")
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+# show_object(iso_external, name="iso_external")
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+show_object(housing, name="housing")
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+
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+
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+with open(r"t_connector.step", "w") as fp:
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+ cq.exporters.exportShape(housing, ExportTypes.STEP, fp)
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