add oriented bounding box support to Solid.from_bounding_box and tests

src/build123d/topology/three_d.py

@@ -95,6 +95,7 @@
     BoundBox,
     Color,
     Location,
+    OrientedBoundBox,
     Plane,
     Vector,
     VectorLike,
@@ -949,9 +950,13 @@ def extrude_until(
         return result
 
     @classmethod
-    def from_bounding_box(cls, bbox: BoundBox) -> Solid:
+    def from_bounding_box(cls, bbox: BoundBox | OrientedBoundBox) -> Solid:
         """A box of the same dimensions and location"""
-        return Solid.make_box(*bbox.size).locate(Location(bbox.min))
+        if isinstance(bbox, BoundBox):
+            return Solid.make_box(*bbox.size).locate(Location(bbox.min))
+        else:
+            moved_plane = Plane(Location(-bbox.size / 2)).move(bbox.location)
+            return Solid.make_box(*bbox.size, plane=moved_plane)
 
     @classmethod
     def make_box(

tests/test_direct_api/test_solid.py

@@ -30,7 +30,15 @@
 import unittest
 
 from build123d.build_enums import GeomType, Kind, Until
-from build123d.geometry import Axis, Location, Plane, Pos, Vector
+from build123d.geometry import (
+    Axis,
+    BoundBox,
+    Location,
+    OrientedBoundBox,
+    Plane,
+    Pos,
+    Vector,
+)
 from build123d.objects_curve import Spline
 from build123d.objects_sketch import Circle, Rectangle
 from build123d.topology import Compound, Edge, Face, Shell, Solid, Vertex, Wire
@@ -233,6 +241,18 @@ def test_revolve(self):
         )
         self.assertEqual(len(r.faces()), 6)
 
+    def test_from_bounding_box(self):
+        cyl = Solid.make_cylinder(0.001, 10).locate(Location(Plane.isometric))
+        cyl2 = Solid.make_cylinder(1, 10).locate(Location(Plane.isometric))
+
+        rbb = Solid.from_bounding_box(cyl.bounding_box())
+        obb = Solid.from_bounding_box(cyl.oriented_bounding_box())
+        obb2 = Solid.from_bounding_box(cyl2.oriented_bounding_box())
+
+        self.assertAlmostEqual(rbb.volume, (10**3) * (3**0.5) / 9, 0)
+        self.assertTrue(rbb.volume > obb.volume)
+        self.assertAlmostEqual(obb2.volume, 40, 4)
+
 
 if __name__ == "__main__":
     unittest.main()