# Rotary axis question **URL:** https://community.inventables.com/t/rotary-axis-question/28049 **Category:** X-Carve **Created:** [September 18, 2016, 11:12pm UTC](https://community.inventables.com/t/rotary-axis-question/28049 "2016-09-18T23:12:53Z") **Posts on this page:** 1 **Showing post:** 3
### Author: ![ErikJenkins](https://yyz1.discourse-cdn.com/flex009/user_avatar/community.inventables.com/erikjenkins/32/84368_2.png) [@ErikJenkins](https://community.inventables.com/u/ErikJenkins) #### Post date: [September 19, 2016, 12:08am UTC](https://community.inventables.com/t/rotary-axis-question/28049/3 "2016-09-19T00:08:26Z")
Another comment on that very thing…a few posts before the one above. > [@It's Alive](https://community.inventables.com/t/its-alive/10540/786): > > For the steps per mm, It was a little trial and error and a little math :-). The diameter of the dowel was 1.125 inches I multiplied that by 3.14159 (pi) to get the circumference of the dowel, 3.534 inches. I made a mark at the bit location, told the machine to move 3.534 inches to rotate the radial axis, if correct the axis should rotate 1 full turn and stop on the mark. I adjusted from there. When I replace the electronics, once everything arrives, the calculations will be translated to de… --- _[View the full topic](https://community.inventables.com/t/rotary-axis-question/28049)._