M18A1 Claymore Case for Framework Laptop 12 Mainboard

The M18A1 Claymore Case is a fully 3D-printable mini-PC enclosure built to look like the M18A1 Claymore anti-personnel mine including the "FRONT TOWARD ENEMY" lettering and the tripod stand. Underneath the tongue-in-cheek military shell sits a fully functional mini-PC built around a Framework Laptop 12 Mainboard. The back panel is vented to allow a good air flow to the motherboard. 

The case splits into two main shells (front and back) that clamp around the mainboard, with a printable tripod stand and a captive, non-removable power button hidden in the back panel.

All parts print in PLA or PETG with no exotic settings, and the full hardware list and assembly steps are included below.

Print Settings

Material: PLA or PETG
Layer height: 0.2 mm
Infill: 20%
Supports: Required for Front.stl and Back + button.stl. Not required for the rest. All part are oriented to guarantee best printing results.

Print Quantities

Front.stl — × 1
Back + button.stl — × 1
Leg attachment RH.stl — × 1
Leg attachment LH.stl — × 1
Leg RH 1.stl — × 1
Leg RH 2.stl — × 1
Leg LH 1.stl — × 1
Leg LH 2.stl — × 1
Cap.stl — × 2

Hardware / BOM

2× M3×30 socket head cap screws
2× M4×15 socket head cap screws
2× M4 hex nuts
4× M3×10 countersunk (flat head) screws

Note: The power button is a captive part in the back panel — it stays trapped in place once assembled and cannot fall out or be lost.

Assembly Instructions

1. Attach the left and right leg mounts to the back panel using the 4× M3×10 countersunk screws.

2. Attach the legs to the leg mounts using the 2× M4×15 screws and M4 nuts, fitting them into the notches to prevent rotation. Make sure to match the correct leg to its corresponding side.

3. Secure the Framework Laptop 12 Mainboard to the front panel using the mainboard's own mounting screws.

4. Attach the front panel to the back panel, taking care around the mainboard's heatsink using the two M3x30 screws.

5. Press-fit or glue the two caps onto the top of the claymore case.