Refer for more info: https://www.multiboard.io/

Or at thangs.com https://thangs.com/designer/Keep%20Making/3d-model/8x8%20Multiboard%20Core%20Tile-974214

Usage:

// Create a common (core) tile 3 cells width, and 2 cells in height
multiboard_common(3, 2);

// Create a side tile tile 3 cells width, and 2 cells in height. Tooth are on
// the right side
multiboard_side(3, 2);

// Create a corner 3 by 2 tile
multiboard_side(3, 2);

If you use it, you'll please me if you let me know.