Buzby was a yellow talking cartoon bird, launched in 1976 as part of a marketing campaign by Post Office Telecommunications, which later became British Telecommunications. Wikipedia

This version is a 160mm dia plaque. For those with a single AMS, the profile includes a pause at the start of layer 13 to allow the white filament to be swapped for one of the colours before resuming.

Also published as a 4-colour model without the plaque. Buzby by Rioja - MakerWorld