This is a 3DOF desktop class crane made by Makeblock parts. The maker is Harry. He used a smart link mechanism to transfer the rotary motion to linear motion.
The structure is very easy to create. This is the part list.
Mechanic Parts
● Beams;
Electronic Modules
● Baseboard(2 Motor Drivers integreted);
● Infrared Receiver Decode and Infrared controller;
You will find all of them on Makeblock