diff --git a/img/gnal_50ft_v3_spindle_bottom.png b/img/gnal_50ft_v3_spindle_bottom.png
index 23a1eff..d4b97d4 100644
Binary files a/img/gnal_50ft_v3_spindle_bottom.png and b/img/gnal_50ft_v3_spindle_bottom.png differ
diff --git a/img/gnal_50ft_v3_spindle_stacking.png b/img/gnal_50ft_v3_spindle_stacking.png
new file mode 100644
index 0000000..d4cec76
Binary files /dev/null and b/img/gnal_50ft_v3_spindle_stacking.png differ
diff --git a/stl/50ft_v3/gnal_50ft_spindle_bottom.stl b/stl/50ft_v3/gnal_50ft_spindle_bottom.stl
index 3dbe6a4..f3a2114 100644
Binary files a/stl/50ft_v3/gnal_50ft_spindle_bottom.stl and b/stl/50ft_v3/gnal_50ft_spindle_bottom.stl differ
diff --git a/stl/50ft_v3/gnal_50ft_spindle_stacking.stl b/stl/50ft_v3/gnal_50ft_spindle_stacking.stl
new file mode 100644
index 0000000..be5c84e
Binary files /dev/null and b/stl/50ft_v3/gnal_50ft_spindle_stacking.stl differ