
110mm mechanical iris
prusaprinters
<p>This print is for a mechanical iris with a open ID of 110mm and a overall OD of 180mm minus mounting lugs. Files include cad drawings in FreeCad 0.19, STLs, PursaSlicer 2.4.1 3mf files, and pre sliced gcode for a i3 MK3. </p><p>If you re slice note the petals were designed for a 0.1mm layer height and a 0.4mm nozzle.</p><p>All the other parts can be printed at a 0.2mm layer height and 0.4mm nozzle.</p><p>Infill was 15% for all parts and no supports. </p><p>The pegs are set up to accept a #12 (imperial) nut. Note they like to break off if you force things. I used a die to partial thread the pegs to use normal nuts. A “speed nut” would be a better choice for this assembly but did not have any on hand. </p><p>When stacking the petals I got better results when stacked as shown. </p>
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