diff --git a/expansion-case/freecad/case-top-left_hifive-w-expansion.fcstd b/expansion-case/freecad/case-top-left_hifive-w-expansion.fcstd new file mode 100644 index 0000000..154f1bc Binary files /dev/null and b/expansion-case/freecad/case-top-left_hifive-w-expansion.fcstd differ diff --git a/expansion-case/freecad/case-top-right_hifive-w-expansion.fcstd b/expansion-case/freecad/case-top-right_hifive-w-expansion.fcstd new file mode 100644 index 0000000..6ba6aa8 Binary files /dev/null and b/expansion-case/freecad/case-top-right_hifive-w-expansion.fcstd differ diff --git a/expansion-case/freecad/hifive-ex-split-case-joiner.fcstd b/expansion-case/freecad/hifive-ex-split-case-joiner.fcstd new file mode 100644 index 0000000..aefb2d3 Binary files /dev/null and b/expansion-case/freecad/hifive-ex-split-case-joiner.fcstd differ diff --git a/expansion-case/freecad/hifive-w-expansion-mockup-assembly.fcstd b/expansion-case/freecad/hifive-w-expansion-mockup-assembly.fcstd index 51cc0f0..c11cbb5 100644 Binary files a/expansion-case/freecad/hifive-w-expansion-mockup-assembly.fcstd and b/expansion-case/freecad/hifive-w-expansion-mockup-assembly.fcstd differ