I use spreadsheets like Excel for everything. Probably for too many things. I have a 25 megabyte spreadsheet that puts the coordinates of the Earth’s ocean boundaries on an unfolded northern hemisphere.
Click on the image for a really large PDF file that you can print on 11×17 paper and cut out yourself.
I’m still deciding what to put on the actual dome covering. Ideas include:
- Brain map
- Golf ball
- Hemisphere of globe
- Multi-sided die