# Manually Built Final Sled **URL:** \ **Category:** Sled\ **Created:** [May 5, 2018, 5:51am UTC](https://forums.maslowcnc.com/t/manually-built-final-sled/3754 "2018-05-05T05:51:09Z")\ **Posts on this page:** 1\ **Showing post:** 6
**Author:** ![Dustcloud](https://yyz1.discourse-cdn.com/flex031/user_avatar/forums.maslowcnc.com/dustcloud/32/1786_2.png) [@Dustcloud](https://forums.maslowcnc.com/u/Dustcloud)\ **Post date:** [May 12, 2018, 7:58pm UTC](https://forums.maslowcnc.com/t/manually-built-final-sled/3754/6 "2018-05-12T19:58:40Z")
No, my deflection was about 1/16" vertical. Before the deflection was at least the width of the bit, maybe more, and “c” shaped,. I tried fixing it on the old sled by messing with the router mounting holes, but it only got worse. Your post came at just the right time. Maybe you have read the string about getting round circles… There I posted my latest benchmark results, which are much better… > [@What must be adjusted to correct out of round circles](https://forums.maslowcnc.com/t/what-must-be-adjusted-to-correct-out-of-round-circles/3162): > > Have run several circle tests, and they are slightly out of round… In the center towards the top, 6" wide x 5 7/8 " high In the center towards the bottom, 6" wide x 5 15/16" high 30" either side the error narrows to 6" wide x 5 31/32" high What measurement errors cause this problem? FWIW, I used the machine to measure top beam length, and the result was 3004.57… used this for the temp sled calibration. When I calibrated using the new sled, I used a steel rule to measure the distance between… Thanks again! --- _[View the full topic](https://forums.maslowcnc.com/t/manually-built-final-sled/3754)._