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Habr β How to become an author All streams Development Admin Design Management Marketing PopSci Search Profile Pull to refresh ALL STREAMS Articles News Hubs Authors Companies Everything Dropdown Copy RSS link Show first * New * Top Rating limit * All * ≥0 * ≥10 * ≥25 * ≥50 * ≥100 Apply Top3DShop yesterday at 11:37 “POWER MACHINES” PREPARING PROTOTYPE OF GTE-65.1 GAS TURBINE WITH 3D PRINTED PARTS Top 3D Shop corporate blog 3D printers PJSC Power Machines has started to create a model 16-stage compressor and a prototype combustion chamber of the GTE-65.1 gas turbine. The combustion chamber will be manufactured using 3D printing technologies. Inspection can be completed with the use of laser 3D scanning (see examples here). Read more Total votes 3: ↑3 and ↓0 +3 Views 55 Add to bookmarks 0 Comments 0 Top3DShop yesterday at 09:55 AUSTRIAN DESIGNERS SHOWCASED CONCEPT OF 3D PRINTED ELECTRIC VEHICLE MADE OF PLASTIC WASTE Top 3D Shop corporate blog 3D printers If you think this is another eco-activists’ project, you are right. In pursuit of the zero emission concept, the Austrian studio EOOS has created the ZUV (Zero-emissions Utility Vehicle) electric tricycle with a 3D printed body made from recycled plastic waste. Read more Total votes 3: ↑3 and ↓0 +3 Views 57 Add to bookmarks 0 Comments 0 Top3DShop 12 January at 16:37 RUSSIAN HIGH SCHOOL STUDENTS INVITED TO NATIONAL TECHNOLOGY OLYMPIAD Top 3D Shop corporate blog 3D printers As part of the Year of Science and Technology, team engineering competitions for students in grades 8 to 11 will be held in the 2021–22 academic year. Read more Rating 0 Views 84 Add to bookmarks 0 Comments 0 Top3DShop 12 January at 10:37 ROSATOM PRESENTED DOMESTIC CONTROL SYSTEM FOR 3D PRINTERS Top 3D Shop corporate blog 3D printers JSC Science and Innovations (a scientific division of the Rosatom state corporation) presented a stand-model of a 3D printer that demonstrates the capabilities of a software and hardware platform for managing and controlling additive processes. Read more Rating 0 Views 142 Add to bookmarks 0 Comments 0 Top3DShop 12 January at 09:11 SOONSER OFFERS MARS PRO LARGE-FORMAT RESIN 3D PRINTERS Top 3D Shop corporate blog 3D printers The Chinese company SoonSer has released a line of industrial laser stereolithographic 3D printers under the name Mars Pro with build volumes of up to 1600 x 800 x 600 mm, which is comparable even to such giants as the Modix Big-Meter. Read more Rating 0 Views 38 Add to bookmarks 0 Comments 0 Top3DShop 12 January at 06:37 LARGE 3D PRINTED PARK CONSTRUCTED IN CHINA Top 3D Shop corporate blog 3D printers The park is located next to the Shenzhen World Exhibition and Convention Center and is lined with sculptures, flowerpots, walls, and borders made with 3D printers based on multi-axis robotic arms such as JAKA cobots. Read more Rating 0 Views 62 Add to bookmarks 0 Comments 0 Top3DShop 12 January at 05:11 POZVONOQ STARTUP TO LAUNCH MASS PRODUCTION OF 3D PRINTED INTERVERTEBRAL CAGES IN 2022 Top 3D Shop corporate blog 3D printers The use of 3D printing in medicine has long ceased to be limited to materials such as PEEK (more on PEEK 3D printing here). The Pozvonoq startup of the North-West Technology Transfer Center and the Russian manufacturing company Ortoinvest has begun laboratory tests of ten lines of intervertebral cages designed to stabilize the spinal column. The successful conduct of technical expertise and the receipt of a single registration certificate will allow the serial production of medical devices as early as 2022. Read more Rating 0 Views 64 Add to bookmarks 0 Comments 0 Ads Paull 11 January at 15:34 PVS-STUDIO: STATIC CODE ANALYSIS TECHNOLOGY PVS-Studio corporate blog PVS-Studio provides static analyzers for C, C++, C# and Java languages on Windows, Linux and macOS platforms. PVS-Studio analyzers can vary slightly due to certain features that the languages have. However, all our analyzers share common technologies and approaches to the implementation of static analysis. Read more → Rating 0 Views 94 Add to bookmarks 1 Comments 0 Top3DShop 11 January at 12:37 ZYYX PRO II: SWEDISH SILENT 3D PRINTER FOR COMPOSITE FILAMENTS Top 3D Shop corporate blog 3D printers The Swedish company ZYYX Labs has launched the ZYYX Pro II desktop FDM 3D printer — quiet, equipped with an air filtration system, and optimized for working with composite carbon- and glass-filled filaments. Last year, a similar model called the E2CF was released by Raise3D. We wrote about it here. Read more Rating 0 Views 440 Add to bookmarks 0 Comments 0 Tzimie 11 January at 11:16 REVERSE DEVOPS, AN INVITATION TO PROJECT «BELL» Self Promo Typical DevOps handles code deploys in a single direction: from Dev to PROD, from lower environments to higher environments, and for this there are many well known solutions like Jenkins, Terraform, Octopus. But in the opposite direction the situation is not so good. Yes, in many companies there are home-grown processes to copy databases from higher environments to the lower ones (with hiding/removing sensitive data) to reproduce problems, found on PROD. However, in complex scenarios an access to PROD is needed to find the root cause. Developers need at least logs. And in the Enterprise world it's all depend on the level of paranoya how sensitie the information is. Thi is what we suggest, the project is to create a safe access method to the higher environments, combining easy friendly interface and interactivity with the full audit of all operations and controlled manner of what users can do and what they can't. The project is called Bell -Action at a distance, and a bearded guy on the logo is John Steward Bell, you know him if you had ever heard about the Quantum Entanglement. Read more Total votes 1: ↑1 and ↓0 +1 Views 104 Add to bookmarks 0 Comments 0 fiddle-de-dee 11 January at 09:26 SIMPLE TEXT MARKUP INTERNATIONALIZATION (I18N) Technical Writing * Read more → Total votes 2: ↑2 and ↓0 +2 Views 176 Add to bookmarks 0 Comments 0 simonzolin 11 January at 08:59 KERNEL QUEUE: THE COMPLETE GUIDE ON THE MOST ESSENTIAL TECHNOLOGY FOR HIGH-PERFORMANCE I/O High performance *System Programming *C *Development for Linux * Tutorial When talking about high-performance software we probably think of server software (such as nginx) which processes millions requests from thousands clients in parallel. Surely, what makes server software work so fast is high-end CPU running with huge amount of memory and a very fast network link. But even then, the software must utilize these hardware resources at maximum efficiency level, otherwise it will end up wasting the most of the valuable CPU power for unnecessary kernel-user context switching or while waiting for slow I/O operations to complete. Thankfully, the Operating Systems have a solution to this problem, and it's called kernel event queue. Server software and OS kernel use this mechanism together to achieve minimum latency and maximum scalability (when serving a very large number of clients in parallel). In this article we are going to talk about FreeBSD, macOS and kqueue, Linux and epoll, Windows and I/O Completion Ports. They all have their similarities and differences which we're going to discuss here. The goal of this article is for you to understand the whole mechanism behind kernel queues and to understand how to work with each API. Read more Total votes 7: ↑7 and ↓0 +7 Views 390 Add to bookmarks 9 Comments 1 +1 Top3DShop 11 January at 07:11 PHROZEN ANNOUNCED SONIC MINI 8K RESIN 3D PRINTER Top 3D Shop corporate blog 3D printers The Taiwanese company Phrozen has announced another desktop 8K resin 3D printer. Although the new Sonic Mini 8K will be much inferior to its older brother Sonic Mega 8K in terms of the build volume, it will obviously cost several times cheaper. Read more Total votes 3: ↑3 and ↓0 +3 Views 81 Add to bookmarks 0 Comments 0 Top3DShop 10 January at 11:11 RUSSIAN INDUSTRIAL WEEK 2021: NEW SOLUTIONS FOR TECHNOLOGICAL AND ENGINEERING PROBLEMS OF INDUSTRIES Top 3D Shop corporate blog 3D printers From 18 to 21 October, the Moscow Expocentre Fairgrounds hosted the second Russian Industrial Week, a large-scale industry event that united significant components of the Russian economy: mechanical engineering and metalworking, 3D printing technologies and consumables, 3D scanning, welding production, non-destructive testing and technical diagnostics, technologies and services for the production of advertising. Read more Rating 0 Views 104 Add to bookmarks 0 Comments 0 Top3DShop 10 January at 07:11 XYZPRINTING TO LAUNCH MFGPRO236 XS SLS 3D PRINTER WITH BASF CONSUMABLES Top 3D Shop corporate blog 3D printers Taiwanese company XYZprinting has announced the new MfgPro236 xS 3D printer. The system operates on the technology of Selective Laser Sintering of polymer powders (SLS) and will be available this year along with new consumables from BASF Forward AM. Read more Rating 0 Views 45 Add to bookmarks 1 Comments 0 Top3DShop 10 January at 05:15 UNIZ LAUNCHES SLASH 2 PLUS MSLA 3D PRINTERS Top 3D Shop corporate blog 3D printers Uniz is accepting orders for an upgraded version of the Slash 2 desktop LCD/MSLA system characterized by increased performance. The devices are equipped with 4K monochrome screens along with advanced light engines, and are primarily targeted at the dental sector. Read more Rating 0 Views 63 Add to bookmarks 1 Comments 0 Top3DShop 7 January at 06:32 WILL JOSEF PRUSA RELEASE A DELTA PRINTER UNDER HIS OWN BRAND? Top 3D Shop corporate blog 3D printers Prusa Research with Josef Prusa in charge bought 80% of shares of Czech manufacturer Trilab, as well as got full control over the company. Trilab is known for its delta 3D printers. Does this merging mean that there will be a delta-kinematics 3D printer under the Original Prusa brand? Read more Total votes 3: ↑3 and ↓0 +3 Views 180 Add to bookmarks 0 Comments 0 Top3DShop 6 January at 12:32 HOW ACCURATE IS THE CALIBRY MINI? Top 3D Shop corporate blog 3D printers This article will cover how the accuracy tests of the Calibry Mini were conducted. The Calibry Mini by Thor3D is stated to feature an accuracy of up to 0.07 mm (0.0027 inch). What exactly does this mean? This means that under the normal conditions, the deviation in measurements of any single point can be 70 microns in any direction. This doesn’t mean that the deviation will always be 70 microns. It can be smaller, it can be bigger. The number is approximate and can vary depending on several factors that will be mentioned in the article. Read more Rating 0 Views 151 Add to bookmarks 0 Comments 0 foto_shooter 6 January at 11:00 THE MOST INTERESTING C# / .NET BLOGS AND WEBSITES PVS-Studio corporate blog .NET *C# * Let's take a look at the list of information sources that can be useful for the C# / .NET developers. Our list includes blogs, repositories with source code, standards and accounts of developers who covers the deep aspects of the C# and .NET. Read more → Total votes 1: ↑1 and ↓0 +1 Views 276 Add to bookmarks 2 Comments 0 Top3DShop 6 January at 08:32 BENEFITS OF TODAY’S 3D PRINTING Top 3D Shop corporate blog 3D printers The motto of modern 3D printing equipment appears to be “easier, cheaper, faster, better”. Additive technologies are developing at an extremely rapid pace, and this growth is really exponential — developers and manufacturers in this area manage to achieve more with each and every year. 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