ralphzoontjens
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02-09-2019, 07:04 PMI reckon for brands that offer a forum of their own, 3DPB does not add one (Ultimaker, Snapmaker for example)3 replies | 375 view(s)
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02-09-2019, 07:03 PMThings don't get off-topic like they do on the 3dpb offtopic section :)2 replies | 571 view(s)
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02-09-2019, 07:02 PMFor the real 3d printing nerds: https://imgur.com/gallery/CyZbR2s4 replies | 501 view(s)
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02-09-2019, 06:56 PMralphzoontjens replied to a thread What are the fumes like on Glow in the dark PLA? in 3D Printer Parts, Filament & Materials"Ultrafine particle emissions from desktop 3D printers" by Dr. Brent Stephens is generally the paper people refer to when discussing this. Different...7 replies | 716 view(s)
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02-08-2019, 03:34 AMThese 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...20 replies | 1069 view(s)
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02-07-2019, 08:25 AMWith any CAD tool that does revolve operations, maybe some POM filament, you will have made that in under 30 minutes.20 replies | 1069 view(s)
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02-07-2019, 08:23 AMralphzoontjens replied to a thread looking for a good 3d design software. in 3D Modeling, Design, ScannersIf 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...16 replies | 4755 view(s)
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02-07-2019, 08:17 AMralphzoontjens replied to a thread Having issues 3D printing Printable Scenery's Black Ship (New to printing) in General 3D Printing DiscussionWell then there's your solution :)To me it initially looked like overextrusion - check the flow and diameter settings too.31 replies | 1275 view(s)
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02-05-2019, 02:51 AMNice work. Is it hand polished?6 replies | 1776 view(s)
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02-05-2019, 02:40 AMralphzoontjens replied to a thread A few items I have printed on my Markforge in 3D Printing GalleryGreat stuff.1 replies | 226 view(s)
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01-30-2019, 03:44 AMWith the right filament, why not. I would definitely go for soldering though, much more reliable.Here are conductivity measurements for a few...4 replies | 405 view(s)
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01-30-2019, 03:38 AMralphzoontjens replied to a thread How much would it cost to print a figure? in General 3D Printing DiscussionYou 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...6 replies | 700 view(s)
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01-30-2019, 03:29 AMralphzoontjens replied to a thread Engineers develop process to 3D print piezoelectric materials in General 3D Printing DiscussionVery cool. If it also works the other way around you can use the 3D print as a speaker.2 replies | 289 view(s)
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01-30-2019, 03:23 AMralphzoontjens replied to a thread Help appreciated regarding Filament material (Strength / Water contact / food safe) in General 3D Printing DiscussionWell, like you I also didn't look at that date..maybe he'll respond - I just wanted to know if he found solutions.3 replies | 965 view(s)
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01-30-2019, 03:20 AMralphzoontjens replied to a thread calculate weight of 3d printed object in General 3D Printing DiscussionLol, one cm3 is 1,000 mm3. Most slicers will also do this for you taking into account wall thickness and infill amount.1 replies | 190 view(s)
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01-30-2019, 03:18 AMCool! We definitely need more offerings for thermochromic filaments. So your pigments have FDA approval as well?1 replies | 187 view(s)
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01-29-2019, 12:57 PMralphzoontjens replied to a thread Formlabs New Fireable Ceramic resin ! in 3D Printer Parts, Filament & MaterialsYou 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...3 replies | 1712 view(s)
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01-25-2019, 09:54 AMralphzoontjens replied to a thread Ira3D Enters Medical Arena with Specialized 3D Printing Filament in 3D Printing News, Interviews & Editorials Supplied by 3DPrint.comI 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...2 replies | 1000 view(s)
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01-25-2019, 09:42 AMralphzoontjens replied to a thread I need a good coating for all-around use. High-build poly? in 3D Printer Parts, Filament & MaterialsCheck out Alumilite Crystal Clear Casting resin, and the Masterbond epoxies.1 replies | 894 view(s)
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01-25-2019, 09:40 AM1. 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...10 replies | 2580 view(s)
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01-25-2019, 09:31 AMralphzoontjens replied to a thread Help appreciated regarding Filament material (Strength / Water contact / food safe) in General 3D Printing DiscussionDjimo, 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...3 replies | 965 view(s)
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01-25-2019, 09:09 AMralphzoontjens replied to a thread NinjaFlex vs. FilaFlex - Any opinions? in 3D Printer Parts, Filament & MaterialsTPUs can be FDA approved, but I haven't seen any filaments so far with the approval. Would be interesting to know.33 replies | 34010 view(s)
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01-25-2019, 08:58 AMralphzoontjens replied to a thread 3D printed Bottle System for Premature Babies in 3D Printing News, Interviews & Editorials Supplied by 3DPrint.comActually the Danish Ministry of Food ordered a study and found that most 3D printed items (except for SLA prints) have no measurable migration in...3 replies | 1641 view(s)
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01-25-2019, 08:53 AMWhy 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...8 replies | 2502 view(s)
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01-25-2019, 08:50 AMralphzoontjens replied to a thread Pet+ as a good alternative to ABS in General 3D Printing DiscussionPET 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...92 replies | 22066 view(s)
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01-25-2019, 08:35 AMMigration of particles depends on the time of contact, surface area and solubility.Hardly any particles will migrate from the 3D printer into your...15 replies | 7631 view(s)
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01-25-2019, 08:13 AMPLA in a dishwasher greatly distorts the print, because it has a glass transition temperature of 60C (I tried). 3D printed materials do have...10 replies | 9456 view(s)
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01-25-2019, 08:03 AMFood-safe materials refers both to inhalation of fumes and migration of particles on contact. For FDA approval however, only migration counts. I...10 replies | 1831 view(s)
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01-22-2019, 06:42 AMralphzoontjens replied to a thread Material that can go into the mouth in 3D Printer Parts, Filament & MaterialsFormFutura's HDGlass is a FDA foodsafe approved PETG and not all too hard to print with. Let us know how it turns out!10 replies | 2598 view(s)
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01-22-2019, 06:39 AMralphzoontjens replied to a thread 3D Printed Mini Sandwich Makers in 3D Printing News, Interviews & Editorials Supplied by 3DPrint.comAlso, the FDA doesn't care so much about items that are in occasional contact with food such as utensils and cookie cutters. Their grading is more...3 replies | 2411 view(s)
About ralphzoontjens
Basic Information
About ralphzoontjens
- Biography:
- Product designer with studio experience in consumer products, mobility, and visualization
Special interests in 3D printing and 3D modeling
Bachelor and Master degree from TU/e, Industrial Design
Likes medium-distance running and traveling
- Location:
- Tilburg, the Netherlands
- Interests:
- Product Design, 3D modeling
- Occupation:
- Product Designer
- Twitter:
- https://twitter.com/ralphzoontjens
- Shapeways:
- https://www.shapeways.com/shops/designsoul
- Thingiverse:
- https://www.thingiverse.com/ralphzoontjens
- Facebook:
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General Information
- Last Activity
- 02-09-2019 07:04 PM
- Join Date
- 11-13-2013
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New $139 Kossel Linear on ebay?!?
02-13-2019, 10:46 AM in 3D Printers (Hardware)