20 to 30 adapter
thingiverse
for using 30x30 board on a 20x20 breakout board.
Download Model from thingiverse
With this file you will be able to print 20 to 30 adapter with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on 20 to 30 adapter.