Parametric Screwdriver Stand

What is it?
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It's a screwdriver holder which sits on a workbench or a shelf. The tip of the screwdriver faces upward. I use this to hold & organize hex drivers, Torx drivers, nut drivers, and regular screwdrivers.

Story
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I liked the Team Associated Hex Driver Holder, but I needed it in a wider variety of sizes and shapes. So, I created a parametric design in OpenSCAD, and evolved it through several steps and prototypes. I did several iterations of Design / Build / Use, and ended up with the design you see here.

This design is CPU-intensive (O(5 hours)) and memory-intensive (O(69GB)) to render with smoothed edges, so I'm attaching a large number of pre-rendered STL files in a variety of sizes and shapes. Many other sizes and counts are possible -- but be prepared to run it overnight if you want a high-quality rendering.

Printing
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This is an easy design to print.

I've printed my versions of it with PLA, because it just needs to hold its shape -