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diff --git a/src/Alpha_complex/include/gudhi/Alpha_complex_3d_options.h b/src/Alpha_complex/include/gudhi/Alpha_complex_3d_options.h
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+/*    This file is part of the Gudhi Library. The Gudhi library
+ *    (Geometric Understanding in Higher Dimensions) is a generic C++
+ *    library for computational topology.
+ *
+ *    Author(s):       Vincent Rouvreau
+ *
+ *    Copyright (C) 2018 Inria
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU General Public License as published by
+ *    the Free Software Foundation, either version 3 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ *
+ *    You should have received a copy of the GNU General Public License
+ *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef ALPHA_COMPLEX_3D_OPTIONS_H_
+#define ALPHA_COMPLEX_3D_OPTIONS_H_
+
+
+#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
+#include <CGAL/Delaunay_triangulation_3.h>
+#include <CGAL/Regular_triangulation_3.h>
+#include <CGAL/Alpha_shape_3.h>
+#include <CGAL/Alpha_shape_cell_base_3.h>
+#include <CGAL/Alpha_shape_vertex_base_3.h>
+
+
+namespace Gudhi {
+
+namespace alpha_complex {
+
+class Alpha_shapes_3d {
+private:
+  // Alpha_shape_3 templates type definitions
+  using Kernel = CGAL::Exact_predicates_inexact_constructions_kernel;
+  using Vb = CGAL::Alpha_shape_vertex_base_3<Kernel>;
+  using Fb = CGAL::Alpha_shape_cell_base_3<Kernel>;
+  using Tds = CGAL::Triangulation_data_structure_3<Vb, Fb>;
+  using Triangulation_3 = CGAL::Delaunay_triangulation_3<Kernel, Tds>;
+
+public:
+  using Alpha_shape_3 = CGAL::Alpha_shape_3<Triangulation_3>;
+  using Point_3 = Kernel::Point_3;
+
+  static const bool exact = false;
+  static const bool weighted = false;
+  static const bool periodic = false;
+
+};
+
+class Exact_alpha_shapes_3d {
+private:
+  // Alpha_shape_3 templates type definitions
+  using Kernel = CGAL::Exact_predicates_inexact_constructions_kernel;
+  using Exact_tag = CGAL::Tag_true;
+  using Vb = CGAL::Alpha_shape_vertex_base_3<Kernel, CGAL::Default, Exact_tag>;
+  using Fb = CGAL::Alpha_shape_cell_base_3<Kernel, CGAL::Default, Exact_tag>;
+  using Tds = CGAL::Triangulation_data_structure_3<Vb, Fb>;
+  using Triangulation_3 = CGAL::Delaunay_triangulation_3<Kernel, Tds>;
+
+public:
+  using Alpha_shape_3 = CGAL::Alpha_shape_3<Triangulation_3, Exact_tag>;
+  using Point_3 = Kernel::Point_3;
+
+  static const bool exact = true;
+  static const bool weighted = false;
+  static const bool periodic = false;
+};
+
+class Weighted_alpha_shapes_3d {
+private:
+  using Kernel = CGAL::Exact_predicates_inexact_constructions_kernel;
+  using Rvb = CGAL::Regular_triangulation_vertex_base_3<Kernel>;
+  using Vb = CGAL::Alpha_shape_vertex_base_3<Kernel, Rvb>;
+  using Rcb = CGAL::Regular_triangulation_cell_base_3<Kernel>;
+  using Cb = CGAL::Alpha_shape_cell_base_3<Kernel, Rcb>;
+  using Tds = CGAL::Triangulation_data_structure_3<Vb, Cb>;
+  using Triangulation_3 = CGAL::Regular_triangulation_3<Kernel, Tds>;
+
+
+public:
+  using Alpha_shape_3 = CGAL::Alpha_shape_3<Triangulation_3>;
+  using Point_3 = Triangulation_3::Bare_point;
+  using Weighted_point_3 = Triangulation_3::Weighted_point;
+
+  static const bool exact = false;
+  static const bool weighted = true;
+  static const bool periodic = false;
+};
+
+}  // namespace alpha_complex
+
+}  // namespace Gudhi
+
+#endif  // ALPHA_COMPLEX_3D_H_