diff --git a/resources/definitions/lnl3d_d5.def.json b/resources/definitions/lnl3d_d5.def.json
index 9c480e69f0..a9eb474a90 100755
--- a/resources/definitions/lnl3d_d5.def.json
+++ b/resources/definitions/lnl3d_d5.def.json
@@ -5,7 +5,7 @@
     "metadata":
     {
         "visible": true,
-        "platform": "lnl3d_d5.stl",
+        "platform": "lnl3d_d5.3mf",
         "platform_offset": [ -1700, 6, -104 ]
     },
     "overrides":
diff --git a/resources/definitions/lnl3d_d6.def.json b/resources/definitions/lnl3d_d6.def.json
index 33b5919c5d..1732a27cba 100644
--- a/resources/definitions/lnl3d_d6.def.json
+++ b/resources/definitions/lnl3d_d6.def.json
@@ -5,7 +5,7 @@
     "metadata":
     {
         "visible": true,
-        "platform": "lnl3d_d6.stl",
+        "platform": "lnl3d_d6.3mf",
         "platform_offset": [ -700, 6, -100 ]
     },
     "overrides":
diff --git a/resources/meshes/lnl3d_d5.3mf b/resources/meshes/lnl3d_d5.3mf
new file mode 100644
index 0000000000..2e80c70e74
Binary files /dev/null and b/resources/meshes/lnl3d_d5.3mf differ
diff --git a/resources/meshes/lnl3d_d5.stl b/resources/meshes/lnl3d_d5.stl
deleted file mode 100644
index adc8fe2245..0000000000
Binary files a/resources/meshes/lnl3d_d5.stl and /dev/null differ
diff --git a/resources/meshes/lnl3d_d6.3mf b/resources/meshes/lnl3d_d6.3mf
new file mode 100644
index 0000000000..e0e35ea667
Binary files /dev/null and b/resources/meshes/lnl3d_d6.3mf differ
diff --git a/resources/meshes/lnl3d_d6.stl b/resources/meshes/lnl3d_d6.stl
deleted file mode 100644
index d23a4b5b7a..0000000000
Binary files a/resources/meshes/lnl3d_d6.stl and /dev/null differ