Mad Professor,

For info 'Tweakie' has added CO2 capability to his machine. Am I allowed to link to another forum? (albeit Mach3) - please remove if not !

It's had over 5000 reads, so he must be doing something right. In the interests of spreading information, here it is:
http://www.machsupport.com/forum/ind...c,12444.0.html