diff --git a/src/slic3r/GUI/OrcaFilesPanel.cpp b/src/slic3r/GUI/OrcaFilesPanel.cpp
index 12d9fad9e7..ca0d08b796 100644
--- a/src/slic3r/GUI/OrcaFilesPanel.cpp
+++ b/src/slic3r/GUI/OrcaFilesPanel.cpp
@@ -138,7 +138,7 @@ OrcaFilesPanel::OrcaFilesPanel(wxWindow* parent)
                               wxOK | wxICON_ERROR).ShowModal();
             });
         } else if (action == 1) {
-            // Print is .gcode-only for now; .gcode.3mf support to be added later.
+            // OrcaSonar unpacks a .gcode.3mf to its plate G-code before starting the print.
             MessageDialog dlg(this,
                 wxString::Format(_L("Do you want to print the file '%s' from printer?"), from_u8(name)),
                 _L("Print file"), wxYES_NO | wxICON_WARNING);
diff --git a/src/slic3r/GUI/Printer/RemoteFileGridModel.cpp b/src/slic3r/GUI/Printer/RemoteFileGridModel.cpp
index 77550620ea..f5f83a4501 100644
--- a/src/slic3r/GUI/Printer/RemoteFileGridModel.cpp
+++ b/src/slic3r/GUI/Printer/RemoteFileGridModel.cpp
@@ -61,10 +61,11 @@ bool is_displayable_file(const std::string& name)
     return ends_with_ci(name, ".gcode") || ends_with_ci(name, ".3mf");
 }
 
-// Only .gcode is printable today; .gcode.3mf support to be added later.
+// .gcode and .gcode.3mf are printable; OrcaSonar unpacks a 3MF to its plate
+// G-code. A bare .3mf is an unsliced project file, so it stays unprintable.
 bool is_printable_gcode(const std::string& name)
 {
-    return ends_with_ci(name, ".gcode");
+    return ends_with_ci(name, ".gcode") || ends_with_ci(name, ".gcode.3mf");
 }
 
 }