The TR-X were special
Here’s a modern Barco made frame
https://www.ebay.co.uk/itm/204643782383?mkcid=1&mkevt=1&mkrid=710-53481-19255-0&ssspo=ZbeO7KmbTnW&sssrc=4429486&ssuid=ta99DENgT8C&var=&widget_ver=artemis&media=COPY&siteid=3&customid=link&campid=5338793676&toolid=20001