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diff --git a/src/main/java/org/apache/commons/math3/geometry/euclidean/threed/Segment.java b/src/main/java/org/apache/commons/math3/geometry/euclidean/threed/Segment.java
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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.commons.math3.geometry.euclidean.threed;
+
+
+/** Simple container for a two-points segment.
+ * @since 3.0
+ */
+public class Segment {
+
+    /** Start point of the segment. */
+    private final Vector3D start;
+
+    /** End point of the segments. */
+    private final Vector3D end;
+
+    /** Line containing the segment. */
+    private final Line     line;
+
+    /** Build a segment.
+     * @param start start point of the segment
+     * @param end end point of the segment
+     * @param line line containing the segment
+     */
+    public Segment(final Vector3D start, final Vector3D end, final Line line) {
+        this.start  = start;
+        this.end    = end;
+        this.line   = line;
+    }
+
+    /** Get the start point of the segment.
+     * @return start point of the segment
+     */
+    public Vector3D getStart() {
+        return start;
+    }
+
+    /** Get the end point of the segment.
+     * @return end point of the segment
+     */
+    public Vector3D getEnd() {
+        return end;
+    }
+
+    /** Get the line containing the segment.
+     * @return line containing the segment
+     */
+    public Line getLine() {
+        return line;
+    }
+
+}