Maximum Love Screwless Heart Gears
by apexio, published
This is the largest possible print of Emmett's Screwless Heart Gears on a Replicator.
Weighing in at over 800 grams and taking 50 hours to print, this will prove to your loved one you love them the Maximum amount possible!
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Scale up the original parts 215% (except the pins, they have been pre-scaled). Use the modified screwless heart gear pins. Center and rotate the even numbered gears to fit on your build plate.
Gears printed at 0.2mm layers, 10% infill, 2 shells. ABS at 120mm/s feed, 200mm/s travel - 230 degrees with Sailfish. I used 50% infill on the pins and 25% on the center piece.
The pins have been modified slightly to fit easier and still retain a tight, smooth action. I still sand my pins and the holes of the center block with 300 - 600 grit sandpaper to make the gears turn as smoothly as possible. Sometimes I wipe them with acetone too. You can use the original pins scaled to match your print, but sanding will be required.
Modified Screwless Heart Gear Pins @215%: