### 3.1.13 BassFigure

BassFigure objects are created by: Figured_bass_engraver.

Standard settings:

> `stencil` (stencil):

>   `ly:text-interface::print`

>   The symbol to print.

> `Y-extent` (pair of numbers):

>   `#<unpure-pure-container #<primitive-procedure ly:grob::stencil-height> >`

>   Extent (size) in the Y direction, measured in staff-space units, relative to object’s reference point.

This object supports the following interface(s): bass-figure-interface, font-interface, grob-interface, item-interface, rhythmic-grob-interface and text-interface.

#### Internals Reference v2.18.2 (稳定分支).