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mnis

over 9 years

Hi, and thank you for your request:-)It is not the standard export format of all 3D software. STL may perhaps be the most common, but STL is guaranteed not the best available export format. STL files require, for example, six times more storage space than a DAE file with an identical design content. This is extremely fat and very impractical in many ways. I currently use DropBox and have only a very small contingent of up to 6 gigabytes available. So I can access from almost anywhere on important files and keep them always in sync. I therefore must always think about what I want to have available in the cloud, and what I can not have it in the cloud. Nevertheless, I want to keep my designs simple available to everyone. That's why yesterday I decided to perform a conversion to STL.Please be patient, I am working immediately to an improvement for all who are interested in my designs.Markus

science potato

over 9 years

why are there no STL files of these? 123d design and autocad cant open the files

mnis

over 9 years

Today I added a set engine covers, which is suitable for passive cooling of motors. Each cover two large openings, which allow a good convection. For users who do not want to install optional FANs.

mnis

over 9 years

Hey leadboss...and I believed you like my covers :-) OK, these are LED strips for 12 volts DC, available mostly on eBay and Amazon in various lengths and colors. The LED strips can be cut at predefined marked sections easily. A more accurate name for the strips, I do not know exist. I run the LED strips with a PWM PC fan controller (Aerocool X-Vision) for a maximum of five fans. Each one LED strip is coupled with a 12V fan (=>5000 up to max. 8000RPM). The maximum brightness of the LED strip is determined by the preset maximum fan speed. In other words, the LED strips are in the range of ~6 to ~12V Dimmable. I like it that way. Do it well :-)

leadboss

over 9 years

I like the LEDs in the covers where did you get them and how did you power them? Did you change the front LEDs from white to green also?

mnis

over 9 years

Small update today: Now there are two matching collars for a better fit at the bottom of the engine covers. The collars should be tight enough alone, but for safety a few drops of glue can be used.

mnis

over 9 years

Today a small update: - The total height of both cover was increased by 1mm. - Added pictures of already mounted covers. - The material shown is INNOFILL ICE BLUE (extremely Translucent). - Fans and green LED strips were integrated. Bye for now:-)

mnis

over 9 years

It is, of course, depending on the (desired) optional components. But the Ultimaker 2 power supply has actually enough reserves. 10 to 25 watts stolen, does not necessarily require a stronger power supply. My original power supply, while 24/7 operation, on the outer shell of 30 to 35 degrees is warm, no trace of overload. It now has been running for many months and reliable unchanged.Have fun while tinkering and head-wearing down :-)

TinkerGnome

over 9 years

OMG - you can see how the wind blows... ;-) Additional external power supplies are quite out of the question, but i really like your concept of more LED and USB etc.... So - first step is: lets tinker a much bigger power pack to steal the energy from... ;-) See you, then!

mnis

over 9 years

Hello and thank you for your interest :-) Without basic knowledge of electronics, use better not Optional Fans. With some basic knowledge of electronics, there is much more equal opportunities for implementation >>> Simple minimal solution: One piece small external power supply with ideally 12 Volt / 1A, Two pieces of 12 Volt fans 40x40x20mm with 3000 to 6000rpm. ,Two pieces small 12V fan controller with temperature sensor. Somewhat more complicated: Absence of an external power supply... A small voltage converter steals the energy required for the fans, etc. directly from the UM2 system board :-) Even more complicated and even more complex: - Build a massive "UM2-substructure" with, for example, aluminum profiles. - Construct and use custom facings for the "UM2 substructure". - Use a stylish and fully automated computer fan controller for maybe 3 to 5 fans. - And again: Steal energy from the UM2 System :-) - Integrate interesting optional electronic components and use additional LED lighting. - Integrate USB power standards and use an infinite number of USB gadgets like cameras, chargers, etc. :-) :-) :-) - And if you are interested, I'm happy to help, as far as I can :-) - Or better, ask a friend or a colleague to get perhaps accompanying support. - Have joy of it :-)

TinkerGnome

over 9 years

mmhhh - i like the idea of additional cooling fans. But i wonder how to achieve the power supply for it... Do you have any suggestions?