Mini-CNC Machine

OVERVIEW

Built a fully functional mini-CNC machine using aluminum extrusion, stepper motors, a 10k rpm spindle motor, and an open-source GRBL control board for less than $200 total.

TECHNICAL DETAILS

Frame Aluminum Extrusion
Controller GRBL (Open Source)
Spindle 10,000 RPM Motor
Total Cost < $200

SOFTWARE WORKFLOW

01

KiCAD

Design PCB and plot GERBER files for the circuit board layout.

02

FlatCAM

Convert GERBER files to CAM (Computer-Aided Manufacturing) toolpaths.

03

bCNC

Open-source CNC control software with autolevel function for heightmaps and even milling on uneven copper-clad boards.

TECHNOLOGIES

GRBL KiCAD FlatCAM bCNC G-code Stepper Motors CNC Machining