OMAC Laser 300 business aircraft. Three were built in the 1980s, but the aircraft never reached production.
https://s3-us-west-1.amazonaws.com/h...t_fullsize.jpg
Previously:
https://www.homemadetools.net/forum/...273#post169249
https://www.homemadetools.net/forum/...029#post168303
https://www.homemadetools.net/forum/...882#post156467
https://www.homemadetools.net/forum/...316#post158023