
Universal Pegboard Hook - US and Metric
prusaprinters
<p>This is my attempt to work out a "standard" spacing for pegboard mounting that will accommodate both the US and metric standards:</p> <ul> <li>Inch standard = 1" spacing, 1/4" holes</li> <li>Metric standard = 25mm spacing, 6mm holes</li> </ul> <p>In order to come up with a size that will both of the above, I came up with this:</p> <ul> <li>Universal = 25.1mm spacing, 5.5mm holes</li> </ul> <p>Note that this works only for the spacing between two holes; you cannot (for example) multiply this spacing by 5 and get a universal spacing that works between 5 holes. While this hook is useful in its own right, I hope to apply the concept to other prints.</p> <p>Note also that the cross sectional profile for the hook is square (or "squarish") and not round - this allows for better bed adhesion and improved overall printing. I also experimented with a hexagonal cross-section, but this caused major problems with bed adhesion (even with a brim) due to the lower bed contact surface area.</p> <p>Note : I only have inch standard pegboard in my shop, but I made some pegboard test blocks to verify that it works on metric spacing; see here :</p> <p><a href="https://www.prusaprinters.org/prints/54646-pegboard-test-blocks-inch-and-metric">https://www.prusaprinters.org/prints/54646-pegboard-test-blocks-inch-and-metric</a></p> <p>The OnShape 3D CAD files for this are here :</p> <p><a href="https://cad.onshape.com/documents/68fc6059641ec3807e29da1b/w/624c5ad9ac20beca2624a596/e/9fa2d2eabad53b87359859d5">https://cad.onshape.com/documents/68fc6059641ec3807e29da1b/w/624c5ad9ac20beca2624a596/e/9fa2d2eabad53b87359859d5</a></p> <h3>Print instructions</h3><p>Print in PLA using the 3mf file provided; otherwise :</p> <ul> <li>brim NOT required, but make sure your first layer contact is well tuned; a bit of glue is also helpful.</li> <li>perimeters = 5</li> <li>0% infill</li> </ul> <p>For a maximum strength solid hook, increase perimeters to 8.</p>
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