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Customizable Parametric Simple Bitholder v2

by Razanur, published

Customizable Parametric Simple Bitholder v2 by Razanur Aug 13, 2017
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Inspired by Bit holder by mattbeechan.

Unfortunately v1 had some major issues (I did not properly test :S ). The v2 was tested more thoroughly and I added a few nice features (such as the tightness control and the added magnet feature). If you should run into any kind of problem, please let me know in the comments.

This model is highly customizable (see section "What is customizable"). There are also a few examples added for inspiration.

Print Settings

Printer Brand:




Doesn't Matter


Doesn't Matter






Rather easy to print. For fast print high infill is recommended. Support might be necessary (see "What is customizable?").

Custom Section

What is customizable?

  • Number of hexagonal indentations for the bits in x- and y-direction.
  • Spacing between these indentations in x- and y-direction. For nice rows I recommend values of more than 3mm in the y- and -1 in the x-direction (negative values will connect the hexagonal shapes).
  • Depth of the indentations for the bits (how deep will the bit go into the holder). I advise a value between 6 and 10mm.
  • Thickness of the connecting bottom layer/baseplate.
  • Width of the skirt into the four directions. Good for drilling additional holes for fixing the bitholder to something else, holding it down while retrieving a bit or labelling rows/columns of bits.
  • Thickness of the walls around the bits. The wider the more stable. Also consider your nozzle-/print-width.
  • Tightness in percent. 0 is very loose, 100% is very tight! You might have to play around with this a little. Don't forget, that the tightness will decrease over time.
  • You can also (alternatively) add a circular hole for a magnet at the bottom of the baseplate, that will keep the bits in place and/or the bitholder on a magnetic surface. You can specify depth and diameter of your magnet. Don't forget to add a little print tolerance! If your magnet is thinner than your baseplate, there will be some suspended baseplate left. Its thickness controls the force that keeps the bits in place. Don't make it too thin though (will be hard to print. Also consider to use support for larger radii). If you don't want to add magnets, set to zero.

"FAQ" or "Problems you might run into"

  • Some values/parameters will automatically be limited to values that still produce a non-degenerate output, this range is usually indicated in square brackets. If nothing happens, you might be outside these boundaries.
  • Don't forget, that you might have to turn your model in the preview to look at the bottom in order to see the holes for the magnets ;)

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