Prusa i3 MK3S Print Fan Shroud (sized for DIN557 square nut)
prusaprinters
<p>M3 DIN562 square nuts are difficult to find in North America from retailers like Amazon, but M3 square nuts meeting DIN557 specifications are very easy to come by.</p> <p>Because of this, I slightly modified the original Prusa i3 MK3S print fan shroud to have a larger slot for the thicker square nut.</p> <p>I have tried to size the opening for the nut to be a nice tight friction fit so the nut doesn't fall out during assembly.</p> <p>Source files remixed directly from Prusa3D's GitHub:<br/> <a href="https://github.com/prusa3d/Original-Prusa-i3/tree/MK3S">https://github.com/prusa3d/Original-Prusa-i3/tree/MK3S</a></p> <h3>Print instructions</h3><p>Print with ABS if possible, PETG is a suitable substitute but will warp over time.<br/> 0.2mm layer height<br/> 20% Grid infill<br/> No supports required*</p> <p>*Supports are built into the original model, and must be removed before installation on your printer.</p>
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