Heat-set Insert Press with Larger Counterweight and F688Z Bearing Idler

I modified the Idler to support F688Z Bearing from Ender 3, and enlarged the counterweight for better counterweighting :) I also took the soldering iron holder and base from the below two models: https://www.printables.com/model/113648-heated-insert-press-bracket https://www.printables.com/model/708809-heat-set-insert-press-remix