I had found a metal cage in the garbage across the street so I cut it to a smaller size and welded it together. It's for the top of the rear shelf so people are tempted to use the shelf for stuff instead of riding on. I sanded it a bit and threw on a couple coats of primer real quick — it's already mostly painted.
I applied primer to the eyes and the top rails then drilled holes and tapped top rails for the brackets to hold the light tubes. I finish-welded the seat brackets, measured them (figuring I could build the seats while it's getting painted at the shop) and ground down the sharp edges.
I created a pretty decent battery holder out of the battery cage in a dead computer UPS but did a lousy job installing it. The solid metal shelf which is welded to the frame is a bad idea. It warped even more with the additional welding and I got really unhappy about it so I had to cut off the battery cage and the shelf.
I got the front end parts stripped of rust and primered. I spent the better part of a whole day painting and finished applying primer. I made hooks for all the parts so they can be painted.