... what real model size would be taken to do various parts of this station, easily calculated if I know how far apart the grid lines are. Hi Julian, It is already at the correct scale size. The sizes are marked along the bottom and left of the screen. You can change the units if you don't like mm. To make it easier to see, you can put the grid lines in front of it, like this: 1. click background> shapes menu item. 2. click this option: 2_200836_070000000.png You can change the spacing of the grid lines if you wish. To measure the size of individual items, you can also use the utils> ruler> show ruler tool. ALT+ left-click, ALT+ right-click to set the two ends of the ruler at a mouse location, and see the distance between them. You can add any baseboard outline you like, based on your carpentry skills. However, most folks design the track plan first, and do the detailed baseboard design around it afterwards ...