"Six Shooter" Drill Guide Version 2 + Adjustable Fence (includes STEP files)
Description
<strong>As with all tools, and especially ones that are printed, use this at your own risk. And if you do use it, please use with caution. Make sure your drill bits fit the guides (and that the guides are not worn out). And like Norm always says, wear safety glasses. </strong> This is an adjustable <strong>light duty</strong> drill guide with a fence that can be used either to assist in alignment or as a dust collector. The "cylinder" rotates, and will index to set the drill guide sizes for any of the 6 holes. This version has a "cylinder" which is designed with holes that are 2mm, 3.6mm, 4.4mm, 5.2mm, 6.0mm and 6.8mm (which correspond to 5/64, 9/64, 11/64, 13/64, 15/64 and 17/64 sizes). <strong>Update 9-1-2020 - there is now a shorter version of the cylinder which will help when using smaller bits - the model is "drill-guide-5-64_to_17-64-V3-M7-SHORT_Cylinder.stl". See pics.</strong> In actual use I found that I needed to allow 1/64" extra so the parts I printed worked well with these sizes: <strong> 1/16" 1/8" 5/32" 3/16" 7/32" 1/4" </strong> It is still possible that the holes may need to be drilled to their final dimension with the drill being used, since there is always the usual 3D printing surface roughness. On the one I printed the holes were correctly sized to the drill bits above. The "cylinder" is designed to be replaced if other sizes are needed, and the STEP files are included which should make this easy to remix or add different drill sizes. The base and fence have marking lines spaced at 10mm intervals on the base and fence to help in alignment, as well as some sighting and marking holes which can be used to align the guide. Finally the fence can be locked into place which can help when making many evenly spaced holes (for making shelf support holes for example). M3x16mm screws are used to secure the fence to the base, and the Allen wrench can be stored in the fence. Finally, the fence can be flipped around and used as a dust catcher when drilling holes in vertical surfaces. As simple as this thing is, it took me a good number of weeks to get it right. The dovetails alone were a bit or trial and error to get them sliding well enough, yet not being too loose. There were also several times when I thought it was done, and then realized there could be some improvement, which then usually lead to other things that could be changed. This version is the best I can come up with though, and works pretty well with my craftsman 12V and Black and Decker 20V cordless drills. The latest things I changed before posting this, were the heights of the cylinders for the drill guides (which were a bit high in prior versions), and I made the Allen wrench slot a bit less tight. The guide needs a bit of length to do what it does, so very short bits may not work well unless they are extended a bit further from the drill chuck. The STP files are included to make it easy to create different cylinders if other sizes are needed. It is possible to go up to a 13.2mm or 1/2" drill size without modifying the base. <strong>As with all tools, and especially ones that are printed, use this at your own risk. And if you do use it, please use with caution. Make sure your drill bits fit the guides (and that the guides are not worn out). And like Norm always says, wear safety glasses. </strong> <strong>PARTS LIST</strong> * 1x 7.5x20mm spring (this is the type of spring used in the beds of 3d Printers) https://www.amazon.com/URBEST-Compression-Printer-Extruder-Accessories/dp/B07C1LL4B2 * 1x M4x40mm hex head screw * 2x M4 locknuts * 3x M4 washers * 4x M3x16mm screws (cap head is best) * 10x M3 nuts (not locknuts) * 1x Allen Wrench compatible with the M3 screws being used * 2x M3 4x4.3mm inserts (optional) https://www.amazon.com/Uxcell-a16041800ux0833-Knurled-Threaded-Embedded/dp/B01IYWUUH8 If you make one and like it (or not), please post a make. If you see something that can be improved, please post a comment or a remix. I can't guarantee I will be able to make requested changes of course, but if I have the time and can see a way, I may take another crack at it. Thanks for checking it out!
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