The author provides TPU covers designed to pressure-fit over two bare, uninsulated M8 bolts and nuts located on the backside of DC binding posts inside an ammo box battery pack. The author reports printing these on a Prusa original Mini using Sunlu TPU filament at 240°C, 60°C bed, 20 mm/s, 0.2 layers, and 10% gyroid infill.
Original text by the author on Printables
<p>I made a battery pack using an ammo box and a 12V, 4S LiFePO4 set of cells. The box came out great and is since used regularly for my outdoor astronomy activities. </p><p>I bought <a href="https://www.amazon.it/gp/product/B09GFLSD43/ref=ppx_yo_dt_b_search_asin_image?ie=UTF8&th=1">two binding posts</a> to recharge the battery with the usual ring or fork flat terminals. My issue was that on the backside of the posts, inside the ammo box, I had two bare, uninsulated M8 bolts and nuts. </p><p>The solution was to print two TPU covers, pressure-fitting these bolts and the terminals. The covers came out really well.</p><p>I printed them on a Prusa original Mini with a Sunlu TPU filament at 240°C, 60°C bed, 20 mm/s, 0.2 layers and 10% gyroid infill.</p>
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