... and modify. Changing one dimension to 7mm leaves the original circle on the mid point of the track, suggesting it is using the original circle centre. 479_041208_260000000.jpg If you then change the second dimension to 7mm, the whole circle is moved away from its original position. Unfortunately I had to change the size of my own circles from 9mm to 7mm and then had to realign all the circles as they had moved away from their original circle centre point. I don't think it's something I'm doing.... 479_041210_070000000.jpg Attachment: attach_3138_3667_DSCF1259.jpg 28 posted: 4 Sep 2020 18:03 from: Martin Wynne Hi Gordon, That's correct. When there isn't a linked trackplan item, the item dimensions show in red, reference the yellow rulers, and the items remain fixed at their top left corners (not their centres). (X and Y dimensions). When there is a linked trackplan item, the item dimensions show in blue, reference the blue rulers, and the items remain fixed at their bottom left corners (not their centres). ( ...