Share Email Facebook Twitter LinkedIn Symbols Output symbol configuration. Placeholder Sample value: MissingIsoSymbolPlaceholder Scale (double) The scale that is to be applied to all isometric symbols. Sample value: 0.75 (Imperial) Sample value: 20 (Metric) Topics in this section LayerSchemes List of symbol schemes. AlignmentSchemes Alignment scheme list. Parent topic: Theme Isometric Configuration About Configuring Settings for Isometric Drawings