Remix of Allen Screwdriver with shrouded handle

26 Feb 2024: Now updated to include Peaklin's V2 screwdriver shafts Peaklin's original Allen Key Screwdriver , and his updated version , are an excellent way to make Allen keys more ergonomic and easier to use. The models are nicely designed and work very well. I've printed a few and have found them very useful. On occasions though, the protruding handle of the Allen key, halfway down the shaft, can be annoying/uncomfortable. This model adds a shroud to cover the handle. The shroud is cone-shaped so that it can be printed without supports. Obviously this increases the overall diameter of the screwdriver, which can be a disadvantage (e.g. if working space is tight) but mostly it improves the ergonomics further still, by offering alternative ways to grip the screwdriver (see photos) and allowing for extra torque. For both Peaklin's original model, and his V2 updated model, I've included STLs for Allen key sizes: 1.5mm, 2mm, 2.5mm and 3mm. I suspect that the handle for bigger Allen keys would get rather large with this approach, but the OpenSCAD script I wrote to make the included STLs is included here, in case you want to make STLs for other sizes. Just follow the principles in the script, or message me if you specifically want a different size. To match Peaklin's sorting/naming conventions in his original version, I have made STLs that are sorted and labelled as both the Allen key size, and the corresponding metric screw size. For his V2 models, I have included STLs for both the 0.1 and 0.2 tolerances. To complete your screwdriver you'll need to download Peaklin's original STLs ( Version 1 , Version 2 ) for the corresponding screw, cap and clip. Printing The STLs are provided in the correct orientation for printing without supports. As per Peaklin's advice for the original shafts, print these with 3 to 4 perimeters and at least 50% infill. I added a 10mm brim to mine to stop them toppling over (a 0.3mm brim gap will make the brim very easy to remove cleanly).