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Welcome to the WingGcodeBuilder and 4 Axis low cost(?) foam cutter wiki! This page tries to document the components and items needed to build a 4 axis CNC foam cutter as well as has some build instructions and links to important files.
The goal of this project was to build a relatively cheap CNC wing foam cutter using 3D printed parts, and other components easily available online.
The axis pillars and carriages were designed in Sketchup, and 3D printed in PLA. All of the screws and bolts are 3mm and 5mm hex bolts in order to keep the number of different sized to a minimum. The frame is made out of 2020 20mm aluminum extrusions, and both the X and Y axis use 8mm smooth rods and LM8UU bearings. See the BOM below for the parts used on the initial version.
A MKS Gen 1.4 control board was used as the CNC controller - using a slightly modified version of Marlin (add link here). Marlin accepts standard GCODE via the USB port, and controls both X and Y axis on the foam cutter. The project WingGcodeBuilder can be used to create and format the GCODE needed as input to the controller.
| Name | Link | Count | Price | Total |
| PLA | MicroCenter | 1 | $15.00 | $15.00 |
| Stepper Motors | AliExpress | 1 Set | $33.50 | $33.50 |
| 8mm G2 Belt and Pulleys | AliExpress | 1 Set | $7.00 | $7.00 |
| 8mm G2 Belt Idlers | AliExpress | 1 Set | $6.00 | $6.00 |
| MKS Gen 1.4 Control Board | AliExpress | 1 | $38.00 | $38.00 |
| M5x10 Button Head Screws | AliExpress | 1 Set | $6.50 | $6.50 |
| M3 Hex Screw Set 160p | AliExpress | 1 Set | $7.00 | $7.00 |
| 300mm Steel Rod 8mm | AliExpress | 4 | $4.50 | $18.00 |
| 500mm Steel Rod 8mm | AliExpress | 4 | $6.00 | $24.00 |
| 12pc LM8UU Bearings | AliExpress | 2 | $6.50 | $13.00 |
| 4pc 2020 20mm Extruded Aluminum | ebay | 4 | $5.00 | $20.00 |
| M5 T Nuts | Amazon | 1 Set | $10.00 | $10.00 |
| Constant-Force Spring | McMaster-Car | 1 | $8.00 | $8.00 |
| Bearing 608ZZ Shielded | Amazon | 1 pack of 10 | $8.00 | $8.00 |
| $213.50 |
Note: All prices rounded up
4 Axis CNC Cutter in action:
- Sketchup files
- STL files