diff --git a/littlestool/designforCNC-stoolTest.20251230-145603.FCBak b/littlestool/designforCNC-stoolTest.20251230-145603.FCBak deleted file mode 100644 index 60656cc..0000000 Binary files a/littlestool/designforCNC-stoolTest.20251230-145603.FCBak and /dev/null differ