Most of the time I design and 3D print RC Car Tyres but I’m not just a one trick pony and I’ve been experimenting with other stuff recently.
One of the biggest issues with NinjaFlex is that people who are used to PLA or ABS have trouble loading and 3D printing with it.
This is mostly because it’s flexible so can be tricky to load and to extrude smoothly to complete an entire print job without clogging or becoming tangled inside the extruder.
I thought it was about time I attempted to address this issue by showing you how I use NinjaFlex myself.
There’s a little story behind this though. I was intending to write an epic blog post, a bit like my Cost Calculation post which has been extremely popular, but I thought I’d try a different approach.
3D Printed Chocolate Moulds
Recently I’ve been experimenting with some new screen capture and video editing software and I love it, so why not make a YouTube video instead? One of my latest NinjaFlex ideas has been to design and 3D print moulds to make custom chocolates.
This would make a good example to use in my video, so what I’ve done is briefly explain how I designed the mould in OpenSCAD and demonstrated the settings (temperature, extrusion speed, etc) I use in my slicer to 3D print using NinjaFlex.
What I do next is literally film myself unloading the old PLA from my 3D printer, loading the NinjaFlex and starting to 3D print the mould.
The video is just under 12 minutes, but if you’re interested in OpenSCAD, 3D printing in NinjaFlex, or you just like chocolate then it’s worth watching…
So, what do you think? As much as I’d love to own a Choc Edge 3D Printer I’m not sure I need one now.
There’s a couple of points to mention about the video and the process. I haven’t explained every single detail, especially about the OpenSCAD design, else the video would be 12 hours long, not 12 minutes. However, the main point is this…
The Obvious Food Safety Question
At some point, someone is bound to ask about NinjaFlex not being Food Safe and FDA Approved. What I’ll say about this is that there’s no known toxins in NinjaFlex, but as far as I’m aware it isn’t certified as food safe.
What this means is that in practice if you make and eat a few chocolates this way it’s likely to be quite safe, but I wouldn’t start selling such chocolates on any kind of scale without seeking further advice.
I did have a search around for food safe flexible filaments but didn’t find any. Surely some exist so if you find one I’d be really happy to hear about it. If it doesn’t exist, it’s potentially a big gap in the market.
This reminds me of when I made a Shamrock Shot Glass out of ColorFabb PLA. Someone asked me the same question about being FDA approved. I was happy to point out that what you put in the shot glass to drink is very likely to be far more toxic than the plastic itself.
Anyway, if this blog post and video turn out to be popular (you never know) then I’d be happy to write a long, detailed, epic blog post about 3D printing using flexible filaments as there is far more to cover.
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Happy 3D printing and go easy on that chocolate.