For the prints, I'm using one of the Polyprinter Plus units that we have at the Dallas Makerspace.
1st quadrant (front) cooling down just after printing is finshed:
Three quadrants (front and sides) dry-fitted together:
Shot of the under side of the assembled dome, showing the rabbet joint that was designed into the parts:
The assembled four quadrants in the middle of the bondo/primer/sanding process: