diff --git a/resources/definitions/fdmprinter.def.json b/resources/definitions/fdmprinter.def.json
index ca424dfd2f..1b492a2cf8 100755
--- a/resources/definitions/fdmprinter.def.json
+++ b/resources/definitions/fdmprinter.def.json
@@ -1354,7 +1354,7 @@
                             "default_value": 2,
                             "minimum_value": "0",
                             "minimum_value_warning": "infill_line_width",
-                            "value": "0 if infill_sparse_density == 0 else (infill_line_width * 100) / infill_sparse_density * (2 if infill_pattern == 'grid' else (3 if infill_pattern == 'triangles' or infill_pattern == 'cubic' or infill_pattern == 'cubicsubdiv' else (2 if infill_pattern == 'tetrahedral' or infill_pattern == 'quarter_cubic' else (1 if infill_pattern == 'cross' or infill_pattern == 'cross_3d' else 1))))",
+                            "value": "0 if infill_sparse_density == 0 else (infill_line_width * 100) / infill_sparse_density * (2 if infill_pattern == 'grid' else (3 if infill_pattern == 'triangles' or infill_pattern == 'trihexagon' or infill_pattern == 'cubic' or infill_pattern == 'cubicsubdiv' else (2 if infill_pattern == 'tetrahedral' or infill_pattern == 'quarter_cubic' else (1 if infill_pattern == 'cross' or infill_pattern == 'cross_3d' else 1))))",
                             "limit_to_extruder": "infill_extruder_nr",
                             "settable_per_mesh": true
                         }
@@ -1370,6 +1370,7 @@
                         "grid": "Grid",
                         "lines": "Lines",
                         "triangles": "Triangles",
+                        "trihexagon": "Tri-Hexagon",
                         "cubic": "Cubic",
                         "cubicsubdiv": "Cubic Subdivision",
                         "tetrahedral": "Octet",