Kìm An Toàn - Góc 90 độ

This version has optimized tolerances for 0.8mm nozzles and to be printed with a break-off support material. 

Hardware required: ¼-20 button head screw, 1 inch long, ¼-20 nut, ¼" fender washer. 

 0.25mm layer height, 2.5mm walls, top, & bottom. 40% infill. Print with support using the “support interface” option in Cura
 

The end result will be somewhat springy, but will be able to pick up and manipulate small objects for workholding.