Compact computer mATX case for 3D printing. The parts are connected using M4 bolts with a length of 10 to 20 mm and M4 nuts. The nuts are inserted into the grooves of the side walls of Side.stl and MainBoardPlate.stl.On the Side.stl wall of MainBoardPlate.stl, a mATX motherboard with dimensions of no more than 194mm by 244mm is fixed.Assembly order:

1. First, insert the M4 nuts into the grooves Side.stl and MainBoardPlate.stl.
2. Place the motherboard on MainBoardPlate.stl and secure with M4 bolts and M4 nuts.
3. Secure the front (Front.stl) and back (Back_PCI.stl) panels with the M4 bolts.
4. Fix the bottom panel Bottom.stl with M4 bolts.
5. Fasten the top panel Top.stl with M4 screws.
6. Place the ATX power supply on top of the Top.stl.
7. Mount SSD or HDD 2.5 vertically on HDD_Holder.stl
8. Attach HDD_Holder.stl and Top_HDD.stl with screws.
9. Fasten Top_HDD.stl to Top.stl with M4 bolts.The front panel has holes for the Power and Reset buttons, as well as holes for 4 USB ports.Button Power with a diameter of 16 mm. Button Reset with a diameter of 12 mm.Two dual USB ports must be installed on a board 40-46 mm wide and up to 30 mm long. The board is inserted into the corresponding slots in Front.stl.