diff --git a/.gitignore b/.gitignore
index e43b0f9..0fa4a9c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 .DS_Store
+.FCStd1
\ No newline at end of file
diff --git a/cad/.DS_Store b/cad/.DS_Store
index 3f1e6e4..af2dd16 100644
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diff --git a/cad/FDM/adapter-cover.FCStd1 b/cad/FDM/adapter-cover.FCStd1
deleted file mode 100644
index ac2b468..0000000
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diff --git a/cad/FDM/adapter-mount.FCStd1 b/cad/FDM/adapter-mount.FCStd1
deleted file mode 100644
index af7b33c..0000000
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diff --git a/cad/FDM/cartridge-clamp.FCStd1 b/cad/FDM/cartridge-clamp.FCStd1
deleted file mode 100644
index d60dcbc..0000000
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diff --git a/cad/FDM/cartridge-gear.FCStd1 b/cad/FDM/cartridge-gear.FCStd1
deleted file mode 100644
index c7bf52b..0000000
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diff --git a/cad/FDM/extruder-base.FCStd1 b/cad/FDM/extruder-base.FCStd1
deleted file mode 100644
index 27d43ce..0000000
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diff --git a/cad/FDM/extruder-gear.FCStd1 b/cad/FDM/extruder-gear.FCStd1
deleted file mode 100644
index 916910b..0000000
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diff --git a/cad/FDM/plunger.FCStd1 b/cad/FDM/plunger.FCStd1
deleted file mode 100644
index 18fc4bf..0000000
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