and recently shared an interesting picture of a hybrid brake press punch, shown here on the right, in blue. Printed in PLA, with 80% infill and 12 walls, the tool (right) failed at 5 tons.

Looking to expand his wall of balls to four times the original size, [bitluni] chose to spend a few days building a punch to make the ... done without a lathe. The tool is quite complex, with ...