diff --git a/FluxDC.PrjPcbStructure b/FluxDC.PrjPcbStructure
new file mode 100644
index 0000000..7fe7c70
--- /dev/null
+++ b/FluxDC.PrjPcbStructure
@@ -0,0 +1 @@
+Record=TopLevelDocument|FileName=FluxDC_sheet_page1.SchDoc|SheetNumber=1