Definition of "Paganini"

Hannah King stands on 'paganinis' (wooden blocks) to embrace Patrick Ryecart […]

1993, Daniel Meadows, Set pieces: being about film stills mostly, page 42

[…] a small wedge of wood used to hold open doors and level furniture on the set. Usually carried by the stagehands, standby carpenters, etc., its use is more precise than Paganinis.

2009, Tony Bill, Movie Speak: How to Talk Like You Belong on a Film Set, page 113