I made a lot of progress scanning various cars and parts over the past week. I positioned it all in Fusion360 and fitted the new motor. It will fit which is super exciting. And by fit, I mean I won't protrude through the hood or drag the oil pan on the street. OK, the pan may be closer than I wanted but it is only 1.25" lower than my current pan which sits about an inch below the bottom of the front cross member (the Ferrari motor holds 11 quarts of oil!). Definitely going to need to protect it, but overall, I am super excited (and relieved). There are still an endless number of details to work out, but the single biggest hurdle is behind me. Everything else is negotiable. I will start a new thread on the car build shortly, but figured since this thread was about scanning, I would share my results. One thing I still need to sort out is, since the scans are not closed bodies I can't really add (extrude) to the models or cut material away. I also can't convert them to surfaces. They are mostly just there and valuable for fitting things, but not so much for building 3D models on. Still trying to sort that part out. Also, dark shiny surfaces don't scan. You can see the hood scan below. I taped a bed sheet tightly onto my hood so I could scan it. Placed washers on top of that to help with tracking. In the end it got me the data I needed.