Flexi Snake printed from TPU

Building on my journey of 3D printing flexible models, I wanted to share more about the process behind creating my super long, 112cm Flexi Snake. When I first envisioned a 'Tiny Flexi Snake' that was this long, I knew it would be a fun challenge, especially making sure it stayed flexible and durable across such an extended length. One of the first things people ask is, 'Why TPU?' And honestly, it's the star of the show for prints like this. TPU (Thermoplastic Polyurethane) is fantastic because of its elasticity and strength. Unlike rigid plastics, it allows for incredible bendability – essential for a snake model! I've found that using a good quality TPU filament, like the SUNLU one I often rely on, makes a huge difference. It helps prevent snapping and gives that satisfying, rubbery feel. If you're new to printing with flexibles, be prepared for a bit of a learning curve, but the results are so worth it. Printing a model that's 112cm long, even if it's a slender 'Flexi Snake', presents its own set of considerations. My A1 Mini printer handled it surprisingly well, which was a pleasant surprise for such a large print! The key is often patience and tuning your settings. For long TPU prints, I always pay extra attention to bed adhesion – a good brim or skirt is your best friend. Slowing down the print speed considerably helps too, as TPU can be prone to stringing and blobs if printed too fast. Retraction settings are also crucial; finding that sweet spot minimizes those annoying wisps of filament. I usually experiment with lower retraction distances and slightly higher retraction speeds than I would for PLA. Another tip I've learned from countless hours in my 'MakerLab' working on various '3D Models' is to ensure your filament is dry. TPU is very hygroscopic, meaning it absorbs moisture from the air, which can lead to bubbles, poor layer adhesion, and a generally weaker print. Keeping it in a dry box or drying it before use can save you a lot of headaches, especially for a print as lengthy as this 'super longer version' of the Flexi Snake. The design itself, the 'Tiny Flexi Snake', is brilliant for its articulated nature. Each segment is connected but flexible, allowing for that flowing movement. When scaling it up to 112cm, maintaining the integrity of these joints is paramount. It’s what makes the snake truly flexible and fun to interact with. For anyone looking to print their own long flexible models, remember that the infill percentage can impact flexibility and print time. For something like this, a lower infill (around 10-15%) is usually sufficient to maintain flexibility without sacrificing too much strength, especially given the elasticity of TPU itself. Beyond the printing process, the satisfaction of holding this incredibly long and flexible 'SNAKE!' is immense. It's not just a display piece; it's a tactile experience. You can coil it, stretch it, and really appreciate the material properties of TPU. This project truly highlighted the capabilities of modern desktop 3D printers, even compact ones like the A1 Mini, to produce substantial and intricate 'Maker's Supply' items. Sharing my journey with this 'super longer version' has been a joy, and I hope it inspires others to experiment with flexible filaments and ambitious print sizes. It just goes to show what you can achieve with a bit of experimentation and the right materials. Happy printing, everyone!