I liked the layer idea in the Lencoberone2 & decided to expand on this for the Lenco-burger, but depart from the triangle theme. Here is the result:
This plinth was really comfortable to use, & was a great performer.
About this time, a mate from the Lenco forum came over with his heavy Lenco deck with traditional idler drive. This left me with a lasting impression & the inspiration to create the lenco-burger idler drive!