Parametric Magnetic Driver Bit Handle
by JoeyC, published
Fully configurable magnetic handle for 1/4" driver bits.
I couldn't find a handle I liked for some metric driver bits I had gotten. So I designed this one.
It uses an 8mm magnet to hold the bits in place, and is easy to change to suit your preferances.
2) Glue 8mm magnet into handle.
3) Screw (or unscrew) something!
The OpenSCAD file is easy to change. The varibles defined at the top of the file configure the handle. You can change the handle diameter and length, the shape/size of the finger grips, and the size of the magnet used.
Also the bit size is changable to adjust for a tight fit on your printer, or to use different size bits. Note that the hex hole for the bits is draw using a six sided circle so the bit diameter will not match the bit size. A bit of trail and error is needed.
The variables are as follows (all dimensions in mm):
MagDia: Magnet hole diameter, adjust as needed to get a good fit with your magnet. The magnet needs to slide into the handle so don't make it too tight.
BitDia: Driver bit hole diameter, adjust as needed to get a good fit with your setup.
BitDth: Depth of hole for bit
HandDia: Outer diameter of the handle
HandLen: Handle length
VertDia: Diameter cylinder used to cut out vertical grip slots.
VertOff: Offset of vertical slots from outer edge, larger numbers mean a shallower slot.
GripDia: Diameter of circle used to creat the grip depression near the end of the handle.
GripDth: Depth of finger grip.
GripRatioTop: Height to width ratio of oval used to cut the top half of the finger grip.
GripRatioBot: Height to width ratio of oval used to cut the bottom half of the finger grip.
GripOff: Offset from bottom of the handle to the finger grip.
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Parametric Magnetic Driver Bit Handle by JoeyC is licensed under the Creative Commons - Attribution - Non-Commercial license.
What does this mean?
- You must attribute (give credit) to the creator of this Thing.
- Remixing or Changing this Thing is allowed.
- Commercial use is not allowed.
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