diff --git a/case/case_bottom_3d-print.scad b/case/case_bottom_3d-print.scad
new file mode 100644
index 0000000..9961ff2
--- /dev/null
+++ b/case/case_bottom_3d-print.scad
@@ -0,0 +1,187 @@
+$fn=30;
+
+BOARD_WIDTH=96.5;
+BOARD_HEIGHT=96.0;
+BOARD_THICKNESS=1.6;
+HOLE_NW_X=4.0;
+HOLE_NW_Y=4.0;
+HOLE_NE_X=92.5;
+HOLE_NE_Y=4.0;
+HOLE_SW_X=4.0;
+HOLE_SW_Y=92.0;
+HOLE_SE_X=92.5;
+HOLE_SE_Y=92.0;
+
+WALL_SPACE=1.0;
+WALL_THICKNESS=2.0;
+HOLE_HEIGHT=15.0; // USB A is 14.5
+
+module pillar() {
+  translate([0,0,HOLE_HEIGHT/2]) {
+    difference() {
+      cylinder(h=HOLE_HEIGHT, d=6, center=true);
+      cylinder(h=HOLE_HEIGHT, d=3.5, center=true);
+    }
+  }
+}
+
+mirror([1,0,0]) { // we used bottom view
+
+// bottom plate
+cube([BOARD_WIDTH+2*WALL_SPACE+2*WALL_THICKNESS, BOARD_HEIGHT+2*WALL_SPACE+2*WALL_THICKNESS, WALL_THICKNESS]);
+
+// screw mounts
+translate([WALL_THICKNESS+WALL_SPACE+HOLE_NW_X,WALL_THICKNESS+WALL_SPACE+HOLE_NW_Y,WALL_THICKNESS]) {
+  pillar();
+}
+translate([WALL_THICKNESS+WALL_SPACE+HOLE_NE_X,WALL_THICKNESS+WALL_SPACE+HOLE_NE_Y,WALL_THICKNESS]) {
+  pillar();
+}
+translate([WALL_THICKNESS+WALL_SPACE+HOLE_SW_X,WALL_THICKNESS+WALL_SPACE+HOLE_SW_Y,WALL_THICKNESS]) {
+  pillar();
+}
+translate([WALL_THICKNESS+WALL_SPACE+HOLE_SE_X,WALL_THICKNESS+WALL_SPACE+HOLE_SE_Y,WALL_THICKNESS]) {
+  pillar();
+}
+
+// side
+MARGIN=1.0;
+USB_B_WIDTH=12.0+MARGIN;
+USB_B_HEIGHT=11.0+MARGIN;
+USB_A_WIDTH=7.0+MARGIN;
+USB_A_HEIGHT=14.5+MARGIN;
+BARREL_WIDTH=9.0+MARGIN;
+BARREL_HEIGHT=11.3+MARGIN;
+INDUCTOR_HEIGHT=7.5;
+
+// side north
+difference() {
+  cube([BOARD_WIDTH+2*WALL_SPACE+2*WALL_THICKNESS, WALL_THICKNESS, WALL_THICKNESS+HOLE_HEIGHT+BOARD_THICKNESS+INDUCTOR_HEIGHT]);
+  // DFP 7 USB A
+  translate([WALL_THICKNESS+WALL_SPACE+12.5-USB_A_WIDTH/2,0,WALL_THICKNESS+HOLE_HEIGHT-USB_A_HEIGHT]) {
+    cube([USB_A_WIDTH,WALL_THICKNESS,USB_A_HEIGHT]);
+  }
+  // DFP 7 BARREL
+  translate([WALL_THICKNESS+WALL_SPACE+28-BARREL_WIDTH/2,0,WALL_THICKNESS+HOLE_HEIGHT-BARREL_HEIGHT]) {
+    cube([BARREL_WIDTH,WALL_THICKNESS,BARREL_HEIGHT]);
+  }
+  // DFP 6 USB A
+  translate([WALL_THICKNESS+WALL_SPACE+40.5-USB_A_WIDTH/2,0,WALL_THICKNESS+HOLE_HEIGHT-USB_A_HEIGHT]) {
+    cube([USB_A_WIDTH,WALL_THICKNESS,USB_A_HEIGHT]);
+  }
+  // DFP 6 BARREL
+  translate([WALL_THICKNESS+WALL_SPACE+56-BARREL_WIDTH/2,0,WALL_THICKNESS+HOLE_HEIGHT-BARREL_HEIGHT]) {
+    cube([BARREL_WIDTH,WALL_THICKNESS,BARREL_HEIGHT]);
+  }
+  // DFP 5 USB A
+  translate([WALL_THICKNESS+WALL_SPACE+68.5-USB_A_WIDTH/2,0,WALL_THICKNESS+HOLE_HEIGHT-USB_A_HEIGHT]) {
+    cube([USB_A_WIDTH,WALL_THICKNESS,USB_A_HEIGHT]);
+  }
+  // DFP 5 BARREL
+  translate([WALL_THICKNESS+WALL_SPACE+84-BARREL_WIDTH/2,0,WALL_THICKNESS+HOLE_HEIGHT-BARREL_HEIGHT]) {
+    cube([BARREL_WIDTH,WALL_THICKNESS,BARREL_HEIGHT]);
+  }
+}
+
+// side west
+difference() {
+  cube([WALL_THICKNESS, BOARD_HEIGHT+2*WALL_SPACE+2*WALL_THICKNESS, WALL_THICKNESS+HOLE_HEIGHT+BOARD_THICKNESS+INDUCTOR_HEIGHT]);
+  // USB B
+  translate([0,WALL_THICKNESS+WALL_SPACE+48-USB_B_WIDTH/2,WALL_THICKNESS+HOLE_HEIGHT-USB_B_HEIGHT]) {
+    cube([WALL_THICKNESS,USB_B_WIDTH,USB_B_HEIGHT]);
+  }
+  // 5V BARREL
+  translate([0,WALL_THICKNESS+WALL_SPACE+33-BARREL_WIDTH/2,WALL_THICKNESS+HOLE_HEIGHT-BARREL_HEIGHT]) {
+    cube([WALL_THICKNESS,BARREL_WIDTH,BARREL_HEIGHT]);
+  }
+  // 12V BARREL
+  translate([0,WALL_THICKNESS+WALL_SPACE+63-BARREL_WIDTH/2,WALL_THICKNESS+HOLE_HEIGHT-BARREL_HEIGHT]) {
+    cube([WALL_THICKNESS,BARREL_WIDTH,BARREL_HEIGHT]);
+  }
+}
+
+// side south
+translate([0,BOARD_HEIGHT+WALL_THICKNESS+2*WALL_SPACE,0]) {
+  difference() {
+    cube([BOARD_WIDTH+2*WALL_SPACE+2*WALL_THICKNESS, WALL_THICKNESS, WALL_THICKNESS+HOLE_HEIGHT+BOARD_THICKNESS+INDUCTOR_HEIGHT]);
+    // DFP 1 USB A
+    translate([WALL_THICKNESS+WALL_SPACE+27.5-USB_A_WIDTH/2,0,WALL_THICKNESS+HOLE_HEIGHT-USB_A_HEIGHT]) {
+      cube([USB_A_WIDTH,WALL_THICKNESS,USB_A_HEIGHT]);
+  }
+    // DFP 1 BARREL
+    translate([WALL_THICKNESS+WALL_SPACE+12-BARREL_WIDTH/2,0,WALL_THICKNESS+HOLE_HEIGHT-BARREL_HEIGHT]) {
+      cube([BARREL_WIDTH,WALL_THICKNESS,BARREL_HEIGHT]);
+    }
+    // DFP 2 USB A
+    translate([WALL_THICKNESS+WALL_SPACE+55.5-USB_A_WIDTH/2,0,WALL_THICKNESS+HOLE_HEIGHT-USB_A_HEIGHT]) {
+      cube([USB_A_WIDTH,WALL_THICKNESS,USB_A_HEIGHT]);
+    }
+    // DFP 2 BARREL
+    translate([WALL_THICKNESS+WALL_SPACE+40-BARREL_WIDTH/2,0,WALL_THICKNESS+HOLE_HEIGHT-BARREL_HEIGHT]) {
+      cube([BARREL_WIDTH,WALL_THICKNESS,BARREL_HEIGHT]);
+    }
+    // DFP 3 USB A
+    translate([WALL_THICKNESS+WALL_SPACE+83.5-USB_A_WIDTH/2,0,WALL_THICKNESS+HOLE_HEIGHT-USB_A_HEIGHT]) {
+      cube([USB_A_WIDTH,WALL_THICKNESS,USB_A_HEIGHT]);
+    }
+    // DFP 3 BARREL
+    translate([WALL_THICKNESS+WALL_SPACE+68-BARREL_WIDTH/2,0,WALL_THICKNESS+HOLE_HEIGHT-BARREL_HEIGHT]) {
+      cube([BARREL_WIDTH,WALL_THICKNESS,BARREL_HEIGHT]);
+    }
+  }
+}
+
+// side east
+translate([BOARD_WIDTH+WALL_THICKNESS+2*WALL_SPACE,0,0]) {
+  difference() {
+    cube([WALL_THICKNESS, BOARD_HEIGHT+2*WALL_SPACE+2*WALL_THICKNESS, WALL_THICKNESS+HOLE_HEIGHT+BOARD_THICKNESS+INDUCTOR_HEIGHT]);
+    // DFP 4 USB A
+    translate([0,WALL_THICKNESS+WALL_SPACE+40.5-USB_A_WIDTH/2,WALL_THICKNESS+HOLE_HEIGHT-USB_A_HEIGHT]) {
+      cube([WALL_THICKNESS,USB_A_WIDTH,USB_A_HEIGHT]);
+    }
+    // DFP 4 BARREL
+    translate([0,WALL_THICKNESS+WALL_SPACE+56-BARREL_WIDTH/2,WALL_THICKNESS+HOLE_HEIGHT-BARREL_HEIGHT]) {
+      cube([WALL_THICKNESS,BARREL_WIDTH,BARREL_HEIGHT]);
+    }
+  }
+}
+
+// top plate
+SWITCH_WIDTH=3.0+0.5;
+SWITCH_LENGTH=6.0+0.5;
+
+translate([0,0,WALL_THICKNESS+HOLE_HEIGHT+BOARD_THICKNESS+INDUCTOR_HEIGHT]) {
+  difference() {
+    cube([BOARD_WIDTH+2*WALL_SPACE+2*WALL_THICKNESS, BOARD_HEIGHT+2*WALL_SPACE+2*WALL_THICKNESS, WALL_THICKNESS]);
+    // DFP 7
+    translate([WALL_THICKNESS+WALL_SPACE+20.0, WALL_THICKNESS+WALL_SPACE+6.7,WALL_THICKNESS/2]) {
+      cube([SWITCH_WIDTH, SWITCH_LENGTH, WALL_THICKNESS], center=true);
+    }
+    // DFP 6
+    translate([WALL_THICKNESS+WALL_SPACE+48.0, WALL_THICKNESS+WALL_SPACE+6.7,WALL_THICKNESS/2]) {
+      cube([SWITCH_WIDTH, SWITCH_LENGTH, WALL_THICKNESS], center=true);
+    }
+    // DFP 5
+    translate([WALL_THICKNESS+WALL_SPACE+76.0, WALL_THICKNESS+WALL_SPACE+6.7,WALL_THICKNESS/2]) {
+      cube([SWITCH_WIDTH, SWITCH_LENGTH, WALL_THICKNESS], center=true);
+    }
+    // DFP 4
+    translate([WALL_THICKNESS+WALL_SPACE+89.7, WALL_THICKNESS+WALL_SPACE+48.0,WALL_THICKNESS/2]) {
+      cube([SWITCH_LENGTH, SWITCH_WIDTH, WALL_THICKNESS], center=true);
+    }
+    // DFP 3
+    translate([WALL_THICKNESS+WALL_SPACE+76.0, WALL_THICKNESS+WALL_SPACE+89.3,WALL_THICKNESS/2]) {
+      cube([SWITCH_WIDTH, SWITCH_LENGTH, WALL_THICKNESS], center=true);
+    }
+    // DFP 2
+    translate([WALL_THICKNESS+WALL_SPACE+48.0, WALL_THICKNESS+WALL_SPACE+89.3,WALL_THICKNESS/2]) {
+      cube([SWITCH_WIDTH, SWITCH_LENGTH, WALL_THICKNESS], center=true);
+    }
+    // DFP 1
+    translate([WALL_THICKNESS+WALL_SPACE+20.0, WALL_THICKNESS+WALL_SPACE+89.3,WALL_THICKNESS/2]) {
+      cube([SWITCH_WIDTH, SWITCH_LENGTH, WALL_THICKNESS], center=true);
+    }
+  }
+}
+
+}
\ No newline at end of file
diff --git a/case/case_bottom_3d-print.stl b/case/case_bottom_3d-print.stl
new file mode 100644
index 0000000..573724d
Binary files /dev/null and b/case/case_bottom_3d-print.stl differ
diff --git a/case/case_top_laser-cut.svg b/case/case_top_laser-cut.svg
new file mode 100644
index 0000000..efaf947
--- /dev/null
+++ b/case/case_top_laser-cut.svg
@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   width="103mm"
+   height="102mm"
+   viewBox="-103 -102 103 102"
+   version="1.1"
+   id="svg4172"
+   sodipodi:docname="top_plate.svg"
+   inkscape:version="1.2.1 (9c6d41e410, 2022-07-14, custom)"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
+  <defs
+     id="defs4176" />
+  <sodipodi:namedview
+     id="namedview4174"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:showpageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     inkscape:deskcolor="#d1d1d1"
+     inkscape:document-units="mm"
+     showgrid="false"
+     inkscape:zoom="1.0246119"
+     inkscape:cx="362.08831"
+     inkscape:cy="323.04914"
+     inkscape:window-width="1916"
+     inkscape:window-height="1041"
+     inkscape:window-x="0"
+     inkscape:window-y="37"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg4172" />
+  <title
+     id="title4168">OpenSCAD Model</title>
+  <path
+     d=" M 0,-102 L -102.5,-102 L -102.5,-0 L 0,-0 z M -24.75,-89.05 L -24.75,-95.55 L -21.25,-95.55 L -21.25,-89.05 z M -52.75,-89.05 L -52.75,-95.55 L -49.25,-95.55 L -49.25,-89.05 z M -80.75,-89.05 L -80.75,-95.55 L -77.25,-95.55 L -77.25,-89.05 z M -95.95,-49.25 L -95.95,-52.75 L -89.45,-52.75 L -89.45,-49.25 z M -24.75,-6.45 L -24.75,-12.95 L -21.25,-12.95 L -21.25,-6.45 z M -52.75,-6.45 L -52.75,-12.95 L -49.25,-12.95 L -49.25,-6.45 z M -80.75,-6.45 L -80.75,-12.95 L -77.25,-12.95 L -77.25,-6.45 z "
+     stroke="black"
+     fill="lightgray"
+     stroke-width="0.5"
+     id="path4170"
+     style="stroke:#ff0000;fill:none" />
+</svg>