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Forum: General Discussion
 Topic: 3D Printing Survey!
Re: 3D Printing Survey! [message #111287 is a reply to message #110800 ] Sat, 28 February 2015 07:22 UTC
avatar albertdutton  is currently offline albertdutton
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Registered: February 2015
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I have given answers of your questions. I hope my answers will satisfy you.
 Topic: Make 3D print smooth
Re: Make 3D print smooth [message #111288 is a reply to message #108543 ] Sat, 28 February 2015 07:28 UTC
avatar albertdutton  is currently offline albertdutton
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It is possible through Sanding Process. The process of sanding is exactly as it sounds. FDM plastic parts can be sanded by hand or with belt sanders, like wood or automotive parts. Sanding is an inexpensive, effective, and proven method to reach a smooth finish. It is consistently the most widely used finishing technique for 3D-printed parts.
 Topic: How to determine size
Re: How to determine size [message #111289 is a reply to message #109846 ] Sat, 28 February 2015 07:56 UTC
avatar albertdutton  is currently offline albertdutton
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Many different materials can be used for 3D printing, such as ABS plastic, PLA, polyamide (nylon), glass filled polyamide, stereolithography materials (epoxy resins), silver, titanium, steel, wax, photopolymers and polycarbonate.

If you're just getting started you can try some of 3D modeling software which can be downloaded for free.

Google SketchUp - This Google SketchUp is fun and free, and is known for being easy to use. To build models in SketchUp, you draw edges and faces using a few simple tools that you can learn in a short time. With with Push/Pull tool you can extrude any flat surface into a 3D form. Furthermore, it works together with Google Earth, that you can import a scaled aerial photograph directly from Google Earth, or use SketchUp to build models which can be seen in Google Earth.
3Dtin - The simplest 3D software. You can draw directly from your browser.
Blender - Blender is the free open source 3D content creation suite, available for all major operating systems under the GNU General Public License. Blender was developed as an in-house application by the Dutch animation studio NeoGeo and Not a Number Technologies (NaN). It is a powerful program contains features that are characteristic of high-end 3D software.
OpenSCAD - OpenSCAD is a software for creating solid 3D CAD objects. It is free software and available for Linux/UNIX, MS Windows and Mac OS X. it does not focus on the artistic aspects of 3D modelling but instead on the CAD aspects.
Tinkercad - Tinkercad is a new and faster way of creating designs for your 3D printer. With only three basic tools you can create a wide range of useful things. Once your project is ready simply download the STL file and start your 3D print.

You don't need to determine size for these software.
 Topic: Sanding White Flexible Plastic?...
Re: Sanding White Flexible Plastic?... [message #111290 is a reply to message #110729 ] Sat, 28 February 2015 08:00 UTC
avatar albertdutton  is currently offline albertdutton
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Yes, I have tried it. Sanding friction causes heat, and plastic parts act like a heat sink. Metal parts also get warm as sanding friction heats them up, but metal tends to reflect the heat back out. Plastic parts, however, absorb the heat and can soften or even re-flow under power sanding.
 Topic: Stainless Steel
Re: Stainless Steel [message #111291 is a reply to message #110721 ] Sat, 28 February 2015 08:04 UTC
avatar albertdutton  is currently offline albertdutton
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I don't think stainless steel is a good option. You should not use it for jwellery making.
 Topic: need to hire a painter
Re: need to hire a painter [message #111292 is a reply to message #110712 ] Sat, 28 February 2015 08:07 UTC
avatar albertdutton  is currently offline albertdutton
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I think you should search for it on your local websites and newspapers. Where you will get the best for you.
 Topic: How about a PhD on 3D printing
Re: How about a PhD on 3D printing [message #111293 is a reply to message #110349 ] Sat, 28 February 2015 08:11 UTC
avatar albertdutton  is currently offline albertdutton
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It is a useful post. Todays, there is a very good career in 3D printing marketplace.
 Topic: 3D printing & intellectual property
Re: 3D printing & intellectual property [message #111294 is a reply to message #107858 ] Sat, 28 February 2015 08:15 UTC
avatar albertdutton  is currently offline albertdutton
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Nothing is completely fare and beneficial. Same thing happened with 3D prnting. There is too much competiton in this field. If you will be completely dedicated towards your career in this field, you will achieve your dreem otherwise you will lose all.
 Topic: white label?
Re: white label? [message #111295 is a reply to message #109637 ] Sat, 28 February 2015 08:18 UTC
avatar albertdutton  is currently offline albertdutton
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What is white lable? I never heard about it in 3D priting field? I have heard about 3d printer files ,digital print files, 3d printer models etc. Please explain it.

[Updated on: Sat, 28 February 2015 08:19 UTC]

 Topic: Can i sell copyright protected items ?
Re: Can i sell copyright protected items ? [message #111286 is a reply to message #110702 ] Sat, 28 February 2015 07:10 UTC
avatar albertdutton  is currently offline albertdutton
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No. It is illegal. Copyright protection is an option to protect your product from unwanted sell.

[Updated on: Sat, 28 February 2015 07:10 UTC]

Re: Can i sell copyright protected items ? [message #111297 is a reply to message #111286 ] Sat, 28 February 2015 10:01 UTC
avatar tebee  is currently offline tebee
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Registered: December 2010
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albertdutton wrote on Sat, 28 February 2015 07:10

No. It is illegal. Copyright protection is an option to protect your product from unwanted sell.


Indeed that is true - though I would replace sell with copy - the problem in our context is that there is no intrinsic copyright in most real 3-d objects out there.


It's worth reading this to try to get an understanding of the current situation.
https://www.publicknowledge.org/files/What's%20the%20Deal%20with%20Copyright_%20Final%20version2.pdf

Tom

[Updated on: Sat, 28 February 2015 10:03 UTC]

Re: Can i sell copyright protected items ? [message #111299 is a reply to message #111297 ] Sat, 28 February 2015 12:50 UTC
avatar barkingdigger  is currently offline barkingdigger
Messages: 138
Registered: January 2013
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Regarding railroads and trademarks, I remember when the storm blew up in the model railroading hobby a couple decades ago. Suddenly all the big names were getting heavy with model manufacturers over the use of the old trademarked liveries from their predecessor companies. Seems the modern roads still own the designs of all their fore-bearers, and some lawyer pointed out that they might lose trademark rights completely if they weren't seen to defend EVERY infringement, even if it was only a small company turning out a few toy trains. They had the right to clamp down, of course, but what made it messy was the way their mega-sized Marketing & Legal departments simply couldn't understand the damage their terms & conditions inflicted - they were used to dealing in multi-million-dollar amounts, when the likes of Athearn etc could barely cope with fees of thousands! It all kinda got ironed out in the end, but essentially anyone wanting to "legally" use the logo of an old railroad these days has to get an agreement from the trademark owner.

However, trademark is all about recognisable "brand" images and rarely extends to physical design of machinery, so unpainted models of hardware are rarely affected. (Except icons, like the classic Jeep grille, of course! Those are indeed trademarked...) That's why Stoney's unpainted models of old trains haven't led to a knock at the door. Modern stuff might be both patented and trademarked - best to find out!

Copyright is a whole 'nother ballgame...
Re: Can i sell copyright protected items ? [message #111303 is a reply to message #111299 ] Sat, 28 February 2015 15:41 UTC
avatar tebee  is currently offline tebee
Messages: 457
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The "you must defend your trademark against every infringement is a fallacy" - but probably one that executives everywhere are encouraged to believe by trademark lawyers..........

I must admit it find it hard to see why so many people these days gets so uptight about ownership issues in intellectual property in cases when there is no financial benefit to be gained.

It's an interesting contrast to the way it was in the 1950's when the Santa Fe railroad paid Lionel to sell their latest diesels in their livery.

I would strongly suspect that the cost of drawing up a licencing agreement with your average model railroad manufacturer is going to be more than the likely licence fees.

Tom

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