1 files changed, 27 insertions, 0 deletions
diff --git a/src/libslic3r/Fill/FillConcentric.hpp b/src/libslic3r/Fill/FillConcentric.hpp
new file mode 100644
index 000000000..1286858ea
--- /dev/null
+++ b/src/libslic3r/Fill/FillConcentric.hpp
@@ -0,0 +1,27 @@
+#ifndef slic3r_FillConcentric_hpp_
+#define slic3r_FillConcentric_hpp_
+
+#include "FillBase.hpp"
+
+namespace Slic3r {
+
+class FillConcentric : public Fill
+{
+public:
+    virtual ~FillConcentric() {}
+
+protected:
+    virtual Fill* clone() const { return new FillConcentric(*this); };
+	virtual void _fill_surface_single(
+	    const FillParams                &params, 
+	    unsigned int                     thickness_layers,
+	    const std::pair<float, Point>   &direction, 
+	    ExPolygon                       &expolygon, 
+	    Polylines                       &polylines_out);
+
+	virtual bool no_sort() const { return true; }
+};
+
+} // namespace Slic3r
+
+#endif // slic3r_FillConcentric_hpp_