I found it in Set No 6394 - Service Station CU Bernd 0 Brick 2 x 2 Round with Buttons Pattern 0 Name: 3941p01.dat 0 Author: Bernd Broich 0 Unofficial part 0 Original Part 1 16 -10 0 -10 1 0 0 0 1 0 0 0 1 stud.dat 1 16 -10 0 10 1 0 0 0 1 0 0 0 1 (...) (23 years ago, 18-Mar-02, to lugnet.cad.dat.parts)
(...) That looks very good to me - well done. Another part I can remove from my box of "I'll get around to authoring that sometime" parts. Chris (23 years ago, 18-Mar-02, to lugnet.cad.dat.parts)