Anycubic Kossel Plus Heated Bed Leveling Clamps (with STEP files)

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Remixed the Anycubic Kossel Plus Heated Bed Clips by JamesWhite into a leveling clamp setup for the Kossel Plus. These work just like other types of bed leveling clamps, with the lower nut adjusting the level and the top one clamping it all together. The top nut needs to be thin to clear the autolo-leveling sensor that comes with the Plus. The top nuts can be further tightened down using a 13mm or 1/2" nut driver. I used the following hardware: * 3 x M5x30mm bolt (pan head, which should provide clearance for cap head screws) * 6 x M5 nuts * 3 x M5 locknuts * 6 x M4x10mm bolts (used to hold the base to the 2020) * 6 x M4 T-nuts * 6 or more washers were used in the base on the M4 screws * I used some 1/16" cork for the pads on the knob parts to insulate between the parts and the bed. Note that cork is not fireproof, so use this design at your own risk. The larger dials have some recessed dots and the bases have a small pip that can be filled with paint if desired. There are 3 versions of the base now: * Bed-Level-Base.stl (the original short base, which will not allow clamping of the sides of the bed) * Bed-Level-V6-11mm-base.stl (new version for the heated bed only) * Bed-Level-V6-15mm-base.stl (new version for the bed + 3mm glass plate) The taller 11mm and 15mm versions were designed to help corral the bed, which the original version does not do. I had used the original version without many problems for months, though it does need to be tightened down to keep the bed from moving around. The 11mm and 15mm versions are the only problem I have seen so far while using these. If you use Marlin, you can adjust the "#define DELTA_CALIBRATION_RADIUS" in configuration.h to reduce the circle size that is probed to avoid the screws. Printing notes: * Print these with 40% infill or more next time (I used 20% before I realized I forgot to change it). * Use 3 or more walls at least. * I would print these without supports, both worked fine. Assembly notes: * Getting the bases to fit with the bed was tight. I had to remove the two washers from the M4 screws used on one of the bases to get it to get a tiny bit of extra clearance for it all to fit. * See the pics for more info on how to put them together. Update 10/20/2018 - added STEP files for easy remixing.