These CAD drawings were done by the chief design engineer/programmer for ACI Industries back in the day. Cover shots and full feature articles of these cars back in the day. That company is now out of business and we are selling a similar design of the frame "working drawings"
The frame design and drawings were done by the same programmer for us. These are similar to other 1.5 and 2 inch main frame kit cars on the market today!
Some numbered pages are missing, but nothing crucial.