Background…………………………………………………………    4

1. Design Concepts………………………………………………… 6

2. Materials used (Bill of Materials)..……………………………...  22

            Needed Parts - Optional Parts - Wasted Money

3. Mechanical design………………………………………………. 33

            Y Axis Parts - X Axis Parts - Z Axis Parts

            Electronics Board

4. Mechanical assembly……………………………………………. 45

            Base or Y axis - Gantry or X axis - Z axis

5. The Electronics………………………………………………….. 53

            L297 + TIP120 - A4988 “Step Stick” - TB6560 

BOB (Break out Board) - Home/Limit Switches

6. CNC Pendant…………………………………………………….  67

            X, Y, and Z switches - 555 Automatic Clock

7. Linux CNC Program…………………………………………….. 70

            Basic Machine Setup – Parallel Port – X, Y, and Z axis

8. CNC Commands………………………………………………… 80

            A-Z Commands - G codes - M codes

            CNC editor - Sample CNC program

9. Router Upgrade…………………………………………………. 88

10. Metal Frame Upgrade………………………………………….. 91

11. Arduino GRBL Upgrade….…………………………………….104

12. Laser Engraving Option………………………………………...113