I recently started using SketchUp to try and visualize/measure a microscopy/microphotography setup that I’m building.
I ran in to an issue today. I’ve imported two 500mm xt95 rails made by thorlabs from the 3d Warehouse. I’ve positioned them appropriately in my setup. Unfortunately I need a 750mm rail as well. I checked, there isn’t one in the warehouse. I then tried using the push/pull tool. I managed to get it to work by clicking “edit component.” Initially it wouldn’t work at all, when clicking on the part I wanted to change I just got a small red “O” with a line that goes diagonally though it. Editing the component fixed this. (Went back and found that it wouldn’t let me edit smoothed surfaces). Fine, I managed to pull the 500mm component to the required 750mm. Then I couldn’t exit. I was stuck trying to edit this one component. Everything had gone gray, and no other tools would work. (except for eraser, managed to erase something with it).
I tried to be clear, but if anything wasn’t, please let me know.
I had to search the 3D Warehouse. I found two different rails with a search for thorlabs xt95. Both are 500mm rails and both can be modified in length with Push/Pull on their ends.Maybe there’s another rail I didn’t find. Perhaps you could upload the SKP file with the problem rail.
Typically when you run into something like this the cause is that there’s more than one face. If the surface has been subdivided and the shared edges softened or hidden, it’ll look like one face but really be more than one. You can easily identify that by turning on hidden geometry (View menu).
Another possible reason comes in the case of nested components and not drilling down to the actual face.