motor_end_s_bighole2 now you can use M4
thingiverse
You can utilize an M4 screw in the motor's end with a big hole, labeled as "motor_end_s_bighole2".
Download Model from thingiverse
With this file you will be able to print motor_end_s_bighole2 now you can use M4 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 motor_end_s_bighole2 now you can use M4.