Commercial license: You can print and sell this model. Shutter case for ender 3 max to make timelapse videos. g code coordinates: y=300, x=150, How to: The case is inserting to the y axis frame and secured by nuts & bolts. A zip tag can also be used to fix the frame, Two screws at the bottom will prevent the shutter from slipping if still slips use paper/ glue. The trigger is inserted to the front left roller by removing the nut and then insert the trigger and then screw the nut back in to it's place, make sure the roller moves same as before. A cap is also provided for the case, when not in use, without shutter the case can be closed/ used as a container by inserting the cap. Print the screw in horizontal orientation for high strengthThank you, happy 3d printing, Regards, Sigma designers.