Knock Knock - key hook

Assembly instructions You will need the 4 printed parts, a piece of filament and a bit of super glue STEP 1: if the lever of the case is sticked push with something hard through the inner hole to release it STEP 2: Insert the hook through the other bottom hole STEP 3: put a piece a filament of around 1cm to connect the lever with the hook STEP 4. Put the piston in the cover. The chamfer should point to the long side of the cover as shown in the imageFINAL STEP: add glue to the top of the case and glue the cover and case together. Wait it to be dry to use it for the first time