diff --git a/stl/x-carriage.stl b/stl/x-carriage.stl
index d75a1c2..c064e13 100644
Binary files a/stl/x-carriage.stl and b/stl/x-carriage.stl differ
diff --git a/stl/z-pinion.stl b/stl/z-pinion.stl
index a2fe6b6..2feb372 100644
Binary files a/stl/z-pinion.stl and b/stl/z-pinion.stl differ