Rollerblade

thingiverse

I've made a few tweaks to the design, but instead of replacing what's already here, I've added them to the file. This new version allows ptfe to flow all the way through to the bearing and gear, enabling you to butt the ptfe against the 2 for better flexible filament printing. Let me know if you use it and like it! This change requires M10 pneumatic fittings. I've also added a handle to the arm to make loading the filament easier. You can find more information about this project on Facebook at https://www.facebook.com/groups/1156304777857840/. The Assembly of the Extruder is documented here: https://www.youtube.com/watch?v=O93Itf_vq7k&t=166s. This design is part of the C4 series and is called the Rollerblade due to its use of a skate bearing. It's smooth and should work well for TPU and normal rigid filament. You don't need to print a mirror copy because the distance to the holes from either side is the same, so you can extrude in either direction. The big wheel in front is for manually cranking the filament in either direction. To build this design, you'll need: 1. A skate bearing: https://smile.amazon.com/gp/product/B000FDRQ1S/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1 2. An MK7 Stainless Steel Extruder Drive Gear Wheel 5mm Bore: https://smile.amazon.com/gp/product/B01KJONSRS/ref=ppx_yo_dt_b_asin_title_o07_s01?ie=UTF8&psc=1 3. Two M10 screws 4. One M3 nut 5. One 30mm M3 screw 6. One 15mm M3 screw 7. An 8mm OD 20mm Long Light Load Compression Mould Die Spring: https://smile.amazon.com/gp/product/B013G5I4US/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1 8. Two PC4-M6 pneumatic ptfe couplers: I bought mine from here, but if you only need two, you'll have to look elsewhere: https://smile.amazon.com/gp/product/B07L8R4SMG/ref=ppx_yo_dt_b_asin_title_o09_s00?ie=UTF8&psc=1