Three finger gripper mount adaptor

I designed this as an adaptor to connect the "Robot Gripper with three fingers for Chess Robot" (https://www.thingiverse.com/thing:1322867) to my delta robot.

The holes are for M3 Button Head Hex Bolts and M3 square nuts.

Videos of the gripper with the mount attached:
https://www.instagram.com/p/BTxtFlQj4Ju/
https://www.instagram.com/p/BwQHqY2hVfu/