From looking at the pic and with a manufacturing background, I can offer:
The frame is made of bent sheetmetal in steel. NOT extruded aluminum. (the Rasson is extruded aluminum). That's a much better choice, imo, because each frame member can be customized for no additional cost. All the holes and fasteners are put in automatically during the punching/laser cutting process, then it's bent. Extruded aluminum needs secondary machining operations to get all the fasteners and cuts in. Or, you end up with sliding fasteners in the T-slots of the extrusion that can move all over the place.
There are lots of off-the-shelf fastening systems for sheetmetal, including fasteners with built-in thread-locking mechanisms. They are called PEM fasteners, and are the industry standard, and are pressed into the sheetmetal. I can't tell from looking at the pic which was used, but I'd imagine one of them was. If so, that means no loose nuts to lose, (the nut is pressed into the sheetmetal and becomes permanent to it). Or, the screw can be pressed into the sheetmetal, (its then called a stud), and the nut is loose. This is good for us so less chance of the mechanic leaving stuff off.
The ball return looks very well integrated into the design. Less things exposed to break, or fail in the field. Also possibly save on shipping size. The tunnels also look to be bent sheetmetal in a "U" shape. Better than the older GC wire tracks, imo, that if they move slightly, the balls fall out and/or get stuck.
The pedestal base looks like they are possibly two pieces that stack on top of each other? If so, that might be to reduce the cube-size (shipping size). Or, it could just be an aesthetic line and is all one piece underneath.
