Thumbtack-able thumbtack holder
thingiverse
To use a thumbtack holder for your board, simply print it with its flat side facing downwards. Easily obtainable materials like thumbtacks and a board are all you need to accomplish this task!
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With this file you will be able to print Thumbtack-able thumbtack holder 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 Thumbtack-able thumbtack holder.