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7

Because of the way ABS plastic injection molding works, it is important that parts have a uniform thickness throughout, and don't just have a large section completely filled with solid plastic. This page explains a little about that: As the plastic solidifies in the mold, it freezes from the outside (near the mold surface) toward the inside. In thick ...


6

You can always brick-build a wheel. The curved slope pieces can closely approximate a circle. For example, 12 4x1 curved slopes gives a circle with a radius of 160 LDUs (8 studs). For more information on brick-built wheels, I suggest you refer to the "Brick Built LEGO Wheels Book": ...


4

Cost of the brick would raise by 10-20% of the extra material needed, I don't expect the mould to be more expensive. But I think the main reason is the production proces itself. ABS is processed at around 200C (don't know temp used at LEGO). After filling the mould the whole brick must cool down again. To keep the brick shape stable, this process must ...


4

They're working on it! Should be ready in 15 years. http://www.nbcnews.com/science/environment/no-more-plastic-legos-company-searches-sustainable-material-n379976


3

I found that looking to the website http://www.custompartnet.com/estimate/injection-molding/ is a great help to figuring out how much stuff costs. I started with a quantity of 1 million, as Lego would make bricks in huge quantities. Small envelope of around an inch for the standard brick, .1 in thickness on the top is the most, looked up the volume ...


2

Short answer: No. Long answer: After searching around the web and finding nothing related to this subject, I fired an email towards LEGO Customer Service asking them this very question. Today I have received this reply: Dear Adam, Thanks for getting in touch with us and sending us this question. I have investigated the case further with our ...


1

I was also wondering that and searching internet about it and I found a detailed research about the LEGO prices in http://www.realityprose.com/what-happened-with-lego/ It is seen that price per brick is variable but e.g. in 2011 it is said that it was like 12 cents. However, there is more detailed and interesting information at the link above.


1

Some resources for your project: A similar question here: Where are LEGO parts made? Some official history that also covers the expansion to new markets: http://www.lego.com/en-gb/AboutUs/lego-group/the_lego_history/2010 Also check the list of countries where the official online store ships orders and search the internet for "official LEGO distributor in ...


1

There is no official production cost information that I'm aware of. There's cost related to research, set design, mold making, the actual plastic pellets, packaging, shipping, marketing. Then there's money coming in from video games, and they might actually lose money on the theme parks. Some of the inventory is sold at discounted prices, some might be ...


1

Look here: http://www.thingiverse.com/tag:LEGO But be aware- as a single person manufacturing a LEGO compatible item, you might be open to litigation. You would probably win, but winning very frequently bankrupts people either way. Do you really require a unique piece that LEGO does not make? There are many custom sets around that are a kit of LEGO ...



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