System Variable Entry: THUMBSIZE

THUMBSIZE

integer (bit-coded), range 0 to 8

3

no

registry; saved in registry

Specifies the display resolution in pixels for all thumbnail preview images.

AutoCAD and BricsCAD. AutoCAD all; BricsCAD V20+. Divergence: type AutoCAD Integer, BricsCAD Short.

• AutoCAD: https://help.autodesk.com/view/ACD/2026/ENU/?guid=GUID-E295F164-A540-4B4A-9844-6159CC91BF89
• BricsCAD: https://help.bricsys.com/en-us/document/system-variable-reference/t/thumbsize-system-variable