hi all. i did a OX. but i have a problem with it... it works fine..and i use it everyday..but it is not so precise like i want it... when i do circle , they dont get really round..i have put this question on other forums also and i have try everything..but dont find answer on the problem....maby belt is not so good after all ..?? i dont know..pleace help me with advice....where i need to start to look. i use mach3....nema23 1:8. belt is T2 and 16 teeth another thing..if that can have something to do with it...how to setup velocity and acceleration my y,a and x are the same steps per 40,02111299 velocity 1999,8 acceleration 200 step pulse 5 dir pulse 5