[Perry] was interested in adding a 4th axis to his CNC machine, but not very excited at the prospect of spending hundreds of dollars on the parts and electronics to make it work. There is a very ...

Since machine is 4 axis, meaning both sides can move forward/back and up/down independently of each other, tapered shapes are possible. One example where this would be helpful is cutting wings ...

This customized Marlin firmware is configured for a 4-axis 3D printer ... flexible control over the A-axis to emulate Y-axis commands and includes various additional adjustments, including custom ...

Files in the /old directory are kept just for reference. The only version currently available is for machine that has the 4th axis along Y. Should there be interest I will make a version that has the ...

using flank milling on a cost-effective 4-axis machine. Traditionally, aligning the tool with the surfaces when using a tool smaller than the slot has been difficult. However, the new algorithm now ...