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This is a 'MasterSpool' For 3D Printing filament -
Blog post about MasterSpool over here -
https://richrap.blogspot.co.uk/2018/01/masterspool-proposed-standard-for-3d.html
MasterSpool Version 4 upgrades / changes and improvements
- 5-5-2018 - Added a Proto-Pasta 500g spool adaptor for MasterSpool V4
- 14th Feb 2018 @RichRap3D
Improvements from user feedback.
Now three positions for 1.75mm and a really nice 2.85mm end slot that's easy to load and has just enough friction to hold the end well.
Really easy to use tie-wrap system – for 2.4mm to 6mm+ tie wraps – zip-ties, reusable tie-wraps and 'velcro' straps.
The model files are designed for both small & bigger nozzles. Ideal for chunky layers (0.25 or 0.3mm layers)
It is a quicker print time for both sides A and B
Edges are now 5.6mm wide and are also flat/smooth (not rounded) they roll really well on bearing type filament spool mounts.
Lighter, stronger locking of both sides together – you may need to give then a really good first twist to align up the holes – after that it should always be a nice tight fit.
I have also added a PDF document of the key dimensions of the spool and also the refill coils – this was the most asked question from people who had not yet downloaded the model file.
Hopefully V4 is the 'final' version – you can always make any desired changes for your own requirements yourself. FreeCad files of the spools are also included in the download…
