Metric 1-2-3 Blocks
thingiverse
Simply put, a 1-2-3 block is a common shop setup tool usually made of hardened steel that measures 1" thick × 2" wide × 3" long. Machinists use the blocks for myriad machine and inspection setup tasks. These however are Metric 1cm x 2cm x 3cm with 5mm x .8 threaded holes.
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With this file you will be able to print Metric 1-2-3 Blocks with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Metric 1-2-3 Blocks.