block
grabcad
other way that extrude cut works is use sketch and make a squard and exit it and use extrude cut on the squard and it will cut how much want.
Download Model from grabcad
With this file you will be able to print block 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 block.