Customizable Parametric Handle with Grip and Guard
by gwpoulos, published
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Sorry, I was not clear! I think of a lateral screw, with a slot in the bottom flat face where you would slide a nut in. Like those found in pulleys or flexible shaft couplers.
I assume you mean a captive nut in the region of the hole. I'll think about adding two shapes/diameters to the customizer. In the meantime, you could probably print the handle with a hexagonal hole with depth equivalent to the height of the nut and drill a round hole in the center of the hexagon, to the depth required for the screw-in shaft.
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For example you can create your own stubby screwdriver by creating a short handle and fitting a standard screwdriver bit, such as those used by automatic screwdrivers. You can make a handle to fit a standard hexagonal screwdriver bit by specifying Hole_Shape as "Hexagon" and setting Hole_Diameter to about 7.2. (You might need to tweak this number slightly).
For a smooth handle, without ridges, set Grip_Elements to 0.
Set the Hole_Depth to 0 and Guard_Diameter to about 50, and you have yourself an espresso tamper.
Please note that, for non-cylindrical hole shapes, the parameter Hole_Diameter actually refers the diameter of a circle which would be circumscribed around the shape. For example if you choose a square hole, Hole_Diameter is actually the diagonal corner-to-corner distance of the square, or about 1.414 * the length of the square's edge.
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