... have set at real> timbering> timbering data... menu item: 2_281421_480000001.png Sometimes if the calculated spacing is close to the limit, only a small change in that setting is needed to increase or reduce the number of timbers. You can see the actual spacing achieved, using the shove timber functions. Here in this example I first selected timber T4 (by clicking on its number ), and clicked the set zero button. I then selected timber T5, and the read-out shows the spacing from T4: 2_281421_480000000.png You can see that it was 27.52 inches, quite a lot closer than the usual maximum setting of 30 inches. But using one fewer timbers would have exceeded that maximum. If I felt there were too many timbers, I could have tried easing the maximum fill spacing to maybe 31 inches, with this result: 2_281448_080000000.png You can see that there is now one fewer timbers, and Templot has just managed to stay inside the set maximum spacing, at 30.96 inches. I often read on other forums that Templot does this ...