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Type: Posts; User: ralphzoontjens

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  1. Replies
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    I reckon for brands that offer a forum of their...

    I reckon for brands that offer a forum of their own, 3DPB does not add one (Ultimaker, Snapmaker for example)
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    Things don't get off-topic like they do on the...

    Things don't get off-topic like they do on the 3dpb offtopic section :)
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    For the real 3d printing nerds:...

    For the real 3d printing nerds: https://imgur.com/gallery/CyZbR2s
  4. "Ultrafine particle emissions from desktop 3D...

    "Ultrafine particle emissions from desktop 3D printers" by Dr. Brent Stephens is generally the paper people refer to when discussing this.
    Different studies show that ABS emits about 10 times more...
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    12585 These lenses were made with a desktop...

    12585

    These lenses were made with a desktop SLA machine, polished and resin dipped. I'd say an above 90% transparency is possible.For FFF printers try HDglass, printed at low layer thickness with...
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    With any CAD tool that does revolve operations,...

    With any CAD tool that does revolve operations, maybe some POM filament, you will have made that in under 30 minutes.
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    If you can afford a license, Solidworks. The next...

    If you can afford a license, Solidworks. The next best thing is Rhinoceros, it is great with meshes as well.
    For a nice free and quick solution use Sculptris.
    I use Blender to boolean away shapes,...
  8. Well then there's your solution :)To me it...

    Well then there's your solution :)To me it initially looked like overextrusion - check the flow and diameter settings too.
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    Nice work. Is it hand polished?

    Nice work. Is it hand polished?
  10. Great stuff.

    Great stuff.
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    With the right filament, why not. I would...

    With the right filament, why not. I would definitely go for soldering though, much more reliable.Here are conductivity measurements for a few filament brands.
  12. You can get a Wanhao D7 for under $500 and it has...

    You can get a Wanhao D7 for under $500 and it has a build volume of 120x68x200mm.

    Now for a 10cm figure I estimate it will cost $3 including support material, a 20cm figure $15.
  13. Very cool. If it also works the other way around...

    Very cool. If it also works the other way around you can use the 3D print as a speaker.
  14. Well, like you I also didn't look at that...

    Well, like you I also didn't look at that date..maybe he'll respond - I just wanted to know if he found solutions.
  15. Lol, one cm3 is 1,000 mm3. Most slicers will...

    Lol, one cm3 is 1,000 mm3.

    Most slicers will also do this for you taking into account wall thickness and infill amount.
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    Cool! We definitely need more offerings for...

    Cool! We definitely need more offerings for thermochromic filaments. So your pigments have FDA approval as well?
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    You do need a kiln, but this is other than that...

    You do need a kiln, but this is other than that quite accessible.
    I am also very impressed with this material.

    Here is a user guide that includes design tips.
  18. I am looking for foodsafe PP filaments, but these...

    I am looking for foodsafe PP filaments, but these people seem to be out of business (what is it about Italian startups).
    If anyone has any recommendations, let me know!
  19. Check out Alumilite Crystal Clear Casting resin,...

    Check out Alumilite Crystal Clear Casting resin, and the Masterbond epoxies.
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    1. Stop printing crap and focus on big ideas i.e....

    1. Stop printing crap and focus on big ideas i.e. using the 3D printer as a business tool. 2. Be mindful on what to print yourself and what to leave to higher quality offerings by 3rd parties. 3....
  21. Djimo, how is your project going?Have you also...

    Djimo, how is your project going?Have you also considered PETT and PETG? Some of them are foodsafe such as T-glase and HDGlass and obviously great for water contact as well as good mechanical...
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    TPUs can be FDA approved, but I haven't seen any...

    TPUs can be FDA approved, but I haven't seen any filaments so far with the approval. Would be interesting to know.
  23. Actually the Danish Ministry of Food ordered a...

    Actually the Danish Ministry of Food ordered a study and found that most 3D printed items (except for SLA prints) have no measurable migration in risk scenarios for infants. Also, the FDA does not...
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    Why not. Make sure the filament is FDA approved...

    Why not. Make sure the filament is FDA approved though, for example T-glase, Guidel!ne and Nylon 680 are ok. For smoothing you can use a Masterbond food safe epoxy. Let us know how it worked out!
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    PET has a distinct look and feel, other than that...

    PET has a distinct look and feel, other than that it is a perfect alternative for ABS and is less brittle than PLA.
    It emits very little fumes and some brands are FDA food-safe approved (T-glase and...
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