The people of Ufactory were kind enough to publish their robot arm design as a STEP file on grabcad.com. However, STEP files do not easily translate to the laser cutter. For that reason, I recreated the design in solidworks and exported the vector files to make it easier for those who wish to make their own U-arm. Note that the parts that have a tiny red G on them are for the gripper assembly.
For detailed assembly instructions, please go here:
Pretty self explanatory. the document titled 5mm should be cut out of a material that is 5mm thick. Likewise, the file titled 2_5mm should be cut using material 2.5mm thick.