diff --git a/.gitignore b/.gitignore
index 0931baa..c5e1a70 100644
--- a/.gitignore
+++ b/.gitignore
@@ -484,3 +484,4 @@ FodyWeavers.xsd
 
 # ---> Autocad
 *.bak
+OldVersions/
\ No newline at end of file
diff --git a/3D/Autodek Inventor/assembly.iam b/3D/Autodek Inventor/assembly.iam
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diff --git a/3D/Autodek Inventor/part1-front.ipt b/3D/Autodek Inventor/part1-front.ipt
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diff --git a/3D/Autodek Inventor/part3A-drilled_back.ipt b/3D/Autodek Inventor/part3A-drilled_back.ipt
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diff --git a/3D/Autodek Inventor/part4-red_lines.ipt b/3D/Autodek Inventor/part4-red_lines.ipt
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diff --git a/3D/Autodek Inventor/part5-mounting_bracket.ipt b/3D/Autodek Inventor/part5-mounting_bracket.ipt
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index 0000000..2b5e20f
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diff --git a/3D/Autodek Inventor/part6-cart_bracket.ipt b/3D/Autodek Inventor/part6-cart_bracket.ipt
new file mode 100644
index 0000000..39fc33e
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diff --git a/3D/PCB/FFC.ipt b/3D/PCB/FFC.ipt
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diff --git a/3D/FFC.step b/3D/PCB/FFC.step
similarity index 100%
rename from 3D/FFC.step
rename to 3D/PCB/FFC.step
diff --git a/3D/FFC.wrl b/3D/PCB/FFC.wrl
similarity index 100%
rename from 3D/FFC.wrl
rename to 3D/PCB/FFC.wrl
diff --git a/3D/STL/part1-front.stl b/3D/STL/part1-front.stl
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index 0000000..1950b19
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diff --git a/3D/STL/part3-back.stl b/3D/STL/part3-back.stl
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index 0000000..cc2c8e4
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diff --git a/3D/STL/part4-red_lines.stl b/3D/STL/part4-red_lines.stl
new file mode 100644
index 0000000..5ebb645
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diff --git a/3D/STL/part5_mounting_bracket.stl b/3D/STL/part5_mounting_bracket.stl
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index 0000000..d3439bf
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diff --git a/3D/STL/part6-cart_bracket.stl b/3D/STL/part6-cart_bracket.stl
new file mode 100644
index 0000000..aa953e0
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