I did not mean the M106 command was overloading the cpu but that the code for generating the lines is very inefficient.
For example at end of sample it takes 144 lines of code with set Z and feed rate on every line that could be sent in 4 lines of code..
For example at end of sample it takes 144 lines of code with set Z and feed rate on every line that could be sent in 4 lines of code..