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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 ...


2

Short answer: No, but you can make sure they are reused by sending them to us (go to www.brickrecycler.com for info on sending in your LEGOs and getting postage reimbursed if you desire and live in the US). Long answer: We personally researched or called over 35 recycling programs that serve a population of over 30 million customers (top 30 cities with ...


2

I don't have any experience modifying a brick with a mill but I have had success using a drill press, knife, and dremel. I can't imagine there being any problems while using a mill. If you're looking to clean out the pipes inside a brick, I've found higher speeds with a drill work better. At a lower speed, the bit cuts into the pipe but doesn't remove any ...


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

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

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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