Parametric Board Marker with Centering Notch

This is a circumference marker for when you need to mark both sides or all sides of a board.

The OpenSCAD file is included and fully parameterized, though you only need to adjust 2 values as noted in the file.

Including STLs for standard milled pine boards 2 x 2, 2 x 4, 2 x 6 and 4 x 4.