Stuck to bed
Use the old print as your reference. Measure it, paper-test the nozzle, and lock the position.
How 3DPrintSaver.com works
Start with the original G-code and the part that already printed. 3DPrintSaver.com helps you build a recovery file and line the nozzle back up.
3DPrintSaver.com uses the measured height to choose the resume point. It then builds the rest of the G-code and gives you alignment controls before you start again.
Use the old print as your reference. Measure it, paper-test the nozzle, and lock the position.
Make a landing pad first. Put the print back on the guides, secure it, and line up the nozzle.
A restart layer tells the printer where to begin. It does not line the nozzle back up.
3DPrintSaver.com helps with the missing steps: rebuild the file, home safely, line up X/Y/Z, and check the preview.