One thou of an inch
Not as such.
Gimp is a bitmap / raster editor and the smallest unit is a pixel.
If you want a one pixel line ( = 0.001") then you need to set up your canvas properties before starting your design.
Example for a 1" x 1" (1) square with pixels-per-inch (dpi) set at 1000 (2)

Gimp is a bitmap / raster editor and the smallest unit is a pixel.
If you want a one pixel line ( = 0.001") then you need to set up your canvas properties before starting your design.
Example for a 1" x 1" (1) square with pixels-per-inch (dpi) set at 1000 (2)