Printability Remix of Arduino Tricorder

prusaprinters

<p>I printed these parts a few dozen times and made changes along the way to make the parts print right / prettier / consistent / match my assembly preferences.</p><p>No stl files here, print using the 3mf file. &nbsp;All the mods were done using PrusaSlicer tools. &nbsp;New hinges were made in OpenSCAD.</p><h4>Remix changes:</h4><ul><li>Split the control panel into two parts to solve a hard to print steep overhang.</li><li>To print the faces flush to the bed, I removed the hinges and print separately.</li><li>**Swapped M2.5 hex standoffs and screws for M2.5 hot threaded inserts. I prefer hot melt inserts over friction/glued nuts.</li><li>Door only needs one screw to assemble. The two screw design was overlapping the EMRG light housing.</li><li>PCB buttons are 0.6mm longer so they are easier to press on the face.</li><li>Each color of parts is in it's own 3mf file for easy sorting.</li></ul><p>**M2.5 screws fit perfectly into the screw holes on the <a href="https://www.adafruit.com/product/4516">Adafruit Feather nRF52840 Sense</a>. &nbsp;M3 also works, but you'll have to drill the PCB holes wider.</p><h4>New Parts:</h4><p>See the <a href="https://www.printables.com/model/128500-star-trek-next-generation-tricorder-tr-580-v1-ardu">Lambtor's build</a> for the full parts list. &nbsp;These screws and threaded inserts replace the hex standoffs.</p><ul><li><a href="https://amzn.to/3NQkTKF">M2.5 threaded inserts</a></li><li><a href="https://www.adafruit.com/product/3299">M2.5 Plastic Screw Set</a> or <a href="https://amzn.to/3MPiA9x">Metal Screw Set</a></li></ul><p>I am a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for me to earn fees by linking to Amazon.com and affiliated sites.</p><h4>Printing Notes:</h4><p>Print each part individually as oriented in the 3mf files (100% infill, PLA) in the matching color.</p><ul><li>You can attempt to print the whole tray from my gcode, but I wouldn't recommend it. The parts are much prettier when printed one at a time.</li><li>Infill 100% is important. &nbsp;Some of these parts snap together and really need the added strength.</li><li>Filaments used:<ul><li><a href="https://www.printedsolid.com/products/jessie-premium-petg-1-75mm-x-clear">Jessie Premium PETG Clear</a></li><li><a href="https://www.printedsolid.com/products/jessie-pla-1-75mm-x-1kg-overcast-grey-glitter">Jessie Premium PLA Overcast Gray Glitter</a></li><li><a href="https://www.printedsolid.com/products/jessie-pla-1-75mm-x-1kg-soul-black-glitter">Jessie Premium PLA Soul Black Glitter</a></li><li><a href="https://www.printedsolid.com/products/jessie-pla-1-75mm-x-1kg-red-ice">Jessie Premium PLA Red Ice Translucent</a></li><li><a href="https://www.printedsolid.com/products/jessie-pla-1-75mm-x-1kg-golden-winner">Jessie Premium PLA Golden Winner Glitter</a></li></ul></li><li>Personally, I find that Jessie PLA prints nicely to my Prusa's bed at 75C for the first layer, holds best at 60C for the remaining layers. &nbsp;Feel free to swap the filament profile for what works best for you.</li></ul><h4>Assembly Notes:</h4><ol><li>Attach the body-face-top and body-face-bottom parts with super glue (dot dot, not a lot). &nbsp;Clamp for a few hours before continuing.</li><li>Install the hot threaded inserts.<br>&nbsp;</li><li>Pre-install two screws into body-face-bottom, then slide into the body-shell and tighten the screws.</li><li>Pop the door-face into the door-shell and screw in place.<br>&nbsp;</li><li>Next step is popping the hinges together. &nbsp;This is tricky, see photo for tips. &nbsp;I had best luck by:<ol><li>Insert the four body hinges and two door hinges.&nbsp;</li><li>Remove one of the outer body hinges</li><li>Twist one side's hinges in. &nbsp;</li><li>Spread the body and door apart and use the gap to reinstall the last body hinge.<br><br>Hinge Tips:<br>* The hinges are friction tight and insert HARD.<br>* If you think you need to, use a knife to remove material to adjust the fit.<br>* If you accidently removed too much material and the hinges feel loose to the body or door assemblies, take everything apart and add a drop of super glue to the inside.<br>&nbsp;</li></ol></li><li>Done. &nbsp;Now you can take apart and reassemble the tricorder as you wish to install the electronics and other 3d printed parts :)</li></ol>