diff --git a/cad/cover_holder_rev/1mesh.FCStd b/cad/cover_holder_rev/1mesh.FCStd
new file mode 100644
index 0000000..f0f08bf
Binary files /dev/null and b/cad/cover_holder_rev/1mesh.FCStd differ
diff --git a/cad/cover_holder_rev/1mesh.FCStd1 b/cad/cover_holder_rev/1mesh.FCStd1
new file mode 100644
index 0000000..30cc476
Binary files /dev/null and b/cad/cover_holder_rev/1mesh.FCStd1 differ
diff --git a/cad/cover_holder_rev/2mesh2.FCStd b/cad/cover_holder_rev/2mesh2.FCStd
new file mode 100644
index 0000000..d176c2b
Binary files /dev/null and b/cad/cover_holder_rev/2mesh2.FCStd differ
diff --git a/cad/cover_holder_rev/2mesh2.FCStd1 b/cad/cover_holder_rev/2mesh2.FCStd1
new file mode 100644
index 0000000..9bcfb74
Binary files /dev/null and b/cad/cover_holder_rev/2mesh2.FCStd1 differ
diff --git a/cad/cover_holder_rev/zmhw_map_cover_holder_rev1.stl b/cad/cover_holder_rev/zmhw_map_cover_holder_rev1.stl
new file mode 100644
index 0000000..e97d878
Binary files /dev/null and b/cad/cover_holder_rev/zmhw_map_cover_holder_rev1.stl differ
diff --git a/cad/cover_rev/10broken.FCStd b/cad/cover_rev/10broken.FCStd
new file mode 100644
index 0000000..f96f66e
Binary files /dev/null and b/cad/cover_rev/10broken.FCStd differ
diff --git a/cad/cover_rev/11fakkinaxis.FCStd b/cad/cover_rev/11fakkinaxis.FCStd
new file mode 100644
index 0000000..31616ea
Binary files /dev/null and b/cad/cover_rev/11fakkinaxis.FCStd differ
diff --git a/cad/cover_rev/12holderget.FCStd b/cad/cover_rev/12holderget.FCStd
new file mode 100644
index 0000000..6ab1efa
Binary files /dev/null and b/cad/cover_rev/12holderget.FCStd differ
diff --git a/cad/cover_rev/14_meshing.FCStd b/cad/cover_rev/14_meshing.FCStd
new file mode 100644
index 0000000..9f2ec17
Binary files /dev/null and b/cad/cover_rev/14_meshing.FCStd differ
diff --git a/cad/cover_rev/14_meshing.FCStd1 b/cad/cover_rev/14_meshing.FCStd1
new file mode 100644
index 0000000..293ff89
Binary files /dev/null and b/cad/cover_rev/14_meshing.FCStd1 differ
diff --git a/cad/cover_rev/15_needwallontop.FCStd b/cad/cover_rev/15_needwallontop.FCStd
new file mode 100644
index 0000000..27ea29b
Binary files /dev/null and b/cad/cover_rev/15_needwallontop.FCStd differ
diff --git a/cad/cover_rev/15_needwallontop.FCStd1 b/cad/cover_rev/15_needwallontop.FCStd1
new file mode 100644
index 0000000..dea2539
Binary files /dev/null and b/cad/cover_rev/15_needwallontop.FCStd1 differ
diff --git a/cad/cover_rev/16meshingagain.FCStd b/cad/cover_rev/16meshingagain.FCStd
new file mode 100644
index 0000000..ea477f6
Binary files /dev/null and b/cad/cover_rev/16meshingagain.FCStd differ
diff --git a/cad/cover_rev/16meshingagain.FCStd1 b/cad/cover_rev/16meshingagain.FCStd1
new file mode 100644
index 0000000..0f0a292
Binary files /dev/null and b/cad/cover_rev/16meshingagain.FCStd1 differ
diff --git a/cad/cover_rev/1stars.FCStd b/cad/cover_rev/1stars.FCStd
new file mode 100644
index 0000000..414ef27
Binary files /dev/null and b/cad/cover_rev/1stars.FCStd differ
diff --git a/cad/cover_rev/2starts.FCStd b/cad/cover_rev/2starts.FCStd
new file mode 100644
index 0000000..2a9a8c8
Binary files /dev/null and b/cad/cover_rev/2starts.FCStd differ
diff --git a/cad/cover_rev/3working.FCStd b/cad/cover_rev/3working.FCStd
new file mode 100644
index 0000000..639af26
Binary files /dev/null and b/cad/cover_rev/3working.FCStd differ
diff --git a/cad/cover_rev/4lock.FCStd b/cad/cover_rev/4lock.FCStd
new file mode 100644
index 0000000..72923c4
Binary files /dev/null and b/cad/cover_rev/4lock.FCStd differ
diff --git a/cad/cover_rev/5lockpt2.FCStd b/cad/cover_rev/5lockpt2.FCStd
new file mode 100644
index 0000000..1874513
Binary files /dev/null and b/cad/cover_rev/5lockpt2.FCStd differ
diff --git a/cad/cover_rev/6rounded.FCStd b/cad/cover_rev/6rounded.FCStd
new file mode 100644
index 0000000..ae24b8e
Binary files /dev/null and b/cad/cover_rev/6rounded.FCStd differ
diff --git a/cad/cover_rev/7proper_size_in_middle.FCStd b/cad/cover_rev/7proper_size_in_middle.FCStd
new file mode 100644
index 0000000..b06a32e
Binary files /dev/null and b/cad/cover_rev/7proper_size_in_middle.FCStd differ
diff --git a/cad/cover_rev/8filleting.FCStd b/cad/cover_rev/8filleting.FCStd
new file mode 100644
index 0000000..7fa4874
Binary files /dev/null and b/cad/cover_rev/8filleting.FCStd differ
diff --git a/cad/cover_rev/9neat.FCStd b/cad/cover_rev/9neat.FCStd
new file mode 100644
index 0000000..995bdce
Binary files /dev/null and b/cad/cover_rev/9neat.FCStd differ
diff --git a/cad/cover_rev/zmhw_map_cover_rev1.stl b/cad/cover_rev/zmhw_map_cover_rev1.stl
new file mode 100644
index 0000000..83a5be1
Binary files /dev/null and b/cad/cover_rev/zmhw_map_cover_rev1.stl differ
diff --git a/cad/spacers_rev2/1stars.FCStd b/cad/spacers_rev2/1stars.FCStd
new file mode 100644
index 0000000..8e8986e
Binary files /dev/null and b/cad/spacers_rev2/1stars.FCStd differ
diff --git a/cad/spacers_rev2/2starts.FCStd b/cad/spacers_rev2/2starts.FCStd
new file mode 100644
index 0000000..3967578
Binary files /dev/null and b/cad/spacers_rev2/2starts.FCStd differ
diff --git a/cad/spacers_rev2/3goodenough.FCStd b/cad/spacers_rev2/3goodenough.FCStd
new file mode 100644
index 0000000..fbe6362
Binary files /dev/null and b/cad/spacers_rev2/3goodenough.FCStd differ
diff --git a/cad/spacers_rev2/4meshing.FCStd b/cad/spacers_rev2/4meshing.FCStd
new file mode 100644
index 0000000..a8f8d8d
Binary files /dev/null and b/cad/spacers_rev2/4meshing.FCStd differ
diff --git a/cad/spacers_rev2/4meshing.FCStd1 b/cad/spacers_rev2/4meshing.FCStd1
new file mode 100644
index 0000000..fb46ae1
Binary files /dev/null and b/cad/spacers_rev2/4meshing.FCStd1 differ
diff --git a/cad/spacers_rev2/zmhw_map_holders_rev1.stl b/cad/spacers_rev2/zmhw_map_holders_rev1.stl
new file mode 100644
index 0000000..4c6cc6e
Binary files /dev/null and b/cad/spacers_rev2/zmhw_map_holders_rev1.stl differ