This is an adapter for holding sandpaper with an oscillating multitool. I designed it for a DeWalt DCS356, but it may fit other brands/models with the same blade interface. The Everclamp grid with sqwasher plate and thumbscrews lets you attach sandpaper, a sponge, or other irregularly-shaped objects in any orientation. Do not print the "uncalibrated" STL files, as the threads will not fit. Instead, use OpenSCAD to convert the attached *.bundle.scad files into STL, calibrated for your printing setup. See https://everclamp.org/#calibration for instructions. PrusaSlicer settings: Layer height 0.2mm Gyroid 15% infill The elevated flat part requires good support to print correctly: Support style: organic Don't support bridges: unchecked (in other words, DO support bridges) Overhang threshold: 10 degrees (support the bridge, not the screw threads) Top/Bottom contact Z distance: 0.2 (detachable) Top/Bottom interface layers: 3 (heavy) Support speed: 20 mm/s (slow)