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Parametric Involute Bevel and Spur Gears by GregFrost Parametric Involute Bevel and Spur Gears by GregFrost This OpenSCAD script provides modules for both Spur and Bevel Gears. It has some major enhancements over my original gear script It uses some of the spur gear nomenclature code from TheOtherRob with my own code for generating the involute teeth. The bevel gear is also my own work. Enhancements include the Bevel gear module, backlash settings, parameterised number of facets for the involute curve and whole of tooth generation to avoid some of the issues the original script had when mirroring a half tooth. The STLs provided are not intended for direct use, but instead show examples of what can be done with the parametric script. Update: v5.0 Implements backlash for bevel gears (This was not working in v4.0).
A spiral bevel gear set should always be replaced in pairs i.e. both the left hand and right hand gears should be replaced together since the gears are manufactured and lapped in pairs. Handedness[edit] A right hand spiral bevel gear is one in which the outer half of a tooth is inclined in the clockwise direction from the axial plane through the midpoint of the tooth as viewed by an observer looking at the face of the gear. A left hand spiral bevel gear is one in which the outer half of a tooth is inclined in the counterclockwise direction from the axial plane through the midpoint of the tooth as viewed by an observer looking at the face of the gear. Note that a spiral bevel gear and pinion are always of opposite hand, including the case when the gear is internal. Also note that the designations right hand and left hand are applied similarly to other types of bevel gear, hypoid gears, and oblique tooth face gears.[1] Hypoid gears[edit] Hypoid spiral bevel gears Spiral angle[edit] See also[edit] Spiral bevel gear - Wikipedia Spiral bevel gear - Wikipedia
How It Works LiquidPiston’s X Engine is a non-Wankel rotary embodiment of the company’s innovative High Efficiency Hybrid Cycle (HEHC). The X Engine has few parts and three combustion events per rotor revolution, resulting in tremendous power density. This video shows an X engine operating on compression-ignition HEHC. The spark-ignition HEHC, X Mini, has a similar architecture but operates at a lower compression ratio. The X Engine’s few moving parts consist of a rotor (the primary work-producing component) and an eccentric shaft. LiquidPiston’s X Engine architecture geometry allows for standard materials and 2-D manufacturing to be used, greatly decreasing the design, build and testing cycle. While it is a rotary engine, LiquidPiston’s X Engine is NOT a Wankel engine. How It Works | LiquidPiston How It Works | LiquidPiston
Metal Additive Manufacturing
3D bicycle 'printed' for Empire Cycles by Gloucestershire business Renishaw 3D bicycle 'printed' for Empire Cycles by Gloucestershire business Renishaw 13-February-2014 13-February-2014 14:46 in General by The Business, The Citizen & Gloucestershire Echo The world’s first metal mountain bike frame made by a 3D printer, in Gloucestershire, could revolutionise the cycling industry. Wotton-under-Edge engineering group Renishaw is the UK’s only manufacturer of a machine which ‘prints’ metal parts in 3D because the technology is usually used for plastic. The bike, To It, will be launched at next week’s London Bike Show. The frame has been additively manufactured in titanium alloy in sections then bonded together. It could revolutionise the bicycle industry as most bike makers rely on Far Eastern factories to weld or bond their frames before sending them to Europe. It is gathering interest across the world including China, Russia, Vietnam and Peru. Renishaw, which makes industrial measuring equipment, employs around 1,900 in the county.
3D Manufacturing

3D printing: 10 companies using it in ground-breaking ways 3D printing: 10 companies using it in ground-breaking ways A growing number of innovative companies are experimenting with 3D printers, propelling the technology closer to the mainstream market. From the big whig corporations down to the smallest startups, there are plenty of companies utilizing 3D printers to create new products, improve old ones, and better their business processes. As the technology becomes more accepted in the enterprise, it will quickly become more mainstream. We've compiled a list of 10 companies innovatively using 3D printers. 1. General Electric made big investments in 3D printing in their quest to produce more than 85,000 fuel nozzles for the new Leap jet engines. 2. The airline company was one of the early adopters of 3D printing technology, and has made more than 20,000 3D printed parts for 10 different military and commercial planes. 3. The auto company has been using 3D printing technology since the 1980s and recently printed its 500,000th part with a 3D printer, which was an engine cover for the new Ford Mustang.

Free 3D Models, Free CAD Models
Rafts, Skirts and Brims! | Simplify3D This tutorial will help you understand the differences between rafts, skirts and brims. All three techniques provide a starting point for your model, but they have different uses and advantages. Rafts A Raft is a horizontal latticework of filament that is located underneath your part. In this example, we will add a Raft to the popular “Dodecahedron” model. Import the STL model file ( a ProcessDouble-click on the Process to open the FFF Settings window (or click Edit Process Settings)Click Show Advanced (if it is not already visible)Click on the Layer tabPlace a checkmark beside Include Raft The Raft Settings dialog box provides four ways to modify the construction of your raft: Raft Layers gives you control over the height of your raft. Adjust any of these settings and then click OK to save your Process Settings. When your print is completed, remove your part from the print bed as a single piece and begin to peel the raft away from your part. Skirts Rafts, Skirts and Brims! | Simplify3D
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Preorder - 3Doodler Preorder - 3Doodler If you can scribble, trace or wave a finger in the air you can use the 3Doodler 2.0. The possibilities are limited only by your imagination and the 76 plastics at your disposal!Order 3Doodler 2.0
Joto - a robotic drawing board by Those Joto - a robotic drawing board by Those Risks and challenges We have been working with drawing machines for over 4 years. Originally the intended launch for Joto was in November, we decided to postpone to make sure we had firm pricing back from the manufacturers and our prototypes were working well. We’re confident we can deliver on our spec and also our pricing. We have spent the last year on a hardware incubator and have built an incredible support team around our studio. Our selected factory is one of the top 10 listed in China, so we are confident they have the capacity to deliver this product. We are still finalising details of some of the consumables, not just because we want to source the most reliable components and materials, but because we want to make sure they are delivered in a sustainable way. We want to make sure we ship Joto at the highest standard possible, so shipment times will vary depending upon how many units are sold on Kickstarter. Learn about accountability on Kickstarter
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Original text Contribute a better translation Búsqueda avanzada En venta directa Poner en seguimiento ¿Has encontrado algún error? Avisar a un amigo Comprar 200,00 € Estado:3 - Normal (con señales de uso normal) Circular Ver perfil Añadir a favoritos Todos sus lotes Todos sus lotes en esta sección Visitar la tienda Valoración:19487País: España (Madrid) Registrado: 01/01/2002 antigua venera de isabel ii de instituciones pu - Comprar Medallas militares españolas originales en todocoleccion - 37118684 antigua venera de isabel ii de instituciones pu - Comprar Medallas militares españolas originales en todocoleccion - 37118684
Hipertextual | La intersección de la tecnología, la ciencia y las humanidades
Tecnología de Microsoft permitirá escanear en 3D cualquier cosa desde nuestro actual móvil Sin necesidad de instalar ningún hardware adicional, en Microsoft han desarrollado una tecnología que puede ayudar a obtener un modelo 3D de cualquier cosa del mundo real. Solo tendremos que instalar el programa en nuestro móvil y comenzar a grabar el objeto deseado, moviéndonos alrededor de él para que se guarde toda la información de distancias y profundidad. En Inside Microsoft Research explican los detalles, donde, además de publicar el vídeo de demostración que podéis ver abajo, indican que podría usarse para crear modelos perfectos para imprimir en 3D, así como para desarrollar videojuegos, por ejemplo. El proyecto es de Peter Ondruska, estudiante de la Universidad de Oxford, quien trabajó en Microsoft Research para crear este sistema que ya ha sido bautizado: MobileFusion. Aquí tenéis el vídeo de demostración: Tecnología de Microsoft permitirá escanear en 3D cualquier cosa desde nuestro actual móvil
Open 3ds Max. Go to Standard Primitives and create a ground plane with box. Create a pillar with box. Create a ball with sphere and put it in front of the pillar. Turn on Auto Key button. Go to the tenth frame and drag the ball through the pillar. Go to and download Fracture Voronoi script. Save the script in the 3ds Max Scripts folder. In 3ds Max, go to Max Script > Run Script. It opens the Choose Editor file window. It opens the Fracture Voronoi script window. I have set the Nb parts as 10 since I want the pillar to be broken into ten different chunks. I have selected the Uniform color option as I want all the chunks in a same color. Click on Break in 10 button. You can further break each broken piece into several more chunks. Go to Customize > Show UI > Show Floating Toolbar. It opens all floating toolbars. Drag and dock the MassFx Toolbar to the left side of the screen. Select all pillar chunks and apply MassFx Rigid Body modifier onto them. Click on MassFx Tools icon. Breaking Objects With MassFx in 3ds Max
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3D printed DIY headphones by Print+ | Ultimaker: 3D Printers Every month we ask someone from the 3D printing sector to write about what they're thinking, doing or printing. Today our guestblogger is Patrick Schuur, founder of 3D printing startup print+. Their first Kickstarter got funded last week – in less than 48 hours! Over the past years high quality, easy to use and affordable 3D printers – such as the Ultimaker – have popped up all over the world. The first product print+ has developed is a DIY headphone kit. The concept is easy: print+ sends people a kit with all the essential electronics and non-printable parts, all people have to do is print the parts and assemble the product. All people have to do is print the parts and assemble the product. Originally the headphone kits would become available with only black parts. The print+ headphone kits ship in 1/10th of the volume a completely assembled headphone normally ships in – which is a reduction of 1000% of the shipping volume needed. The headphone is only the beginning for print+.
Could not resolve host: Stuck for ideas for what to 3D print? Bored of pointless 3D printer projects? Here is a list of cool things to 3D print which are genuinely useful. Don’t miss: 34 Best Sites for Free STL Files and 3D Printer Files/Models Like us, you’re tremendously excited by the possibilities of 3D printing. Fight the tide of mediocrity! Don’t have access to a 3D printer? Cool Things to 3D Print #1: Sliding Door Bolt Obviously, this sliding door bolt will not protect you against breaking and entering. Cool Things to 3D Print #2: Monster Mouth Headphone Holder If you like to use a large pair of headphones at your desk, then this “monster mouth” could be just what you need. Cool Things to 3D Print #3: Out of Office Desk Sign Rushing off to a meeting? Cool Things to 3D Print #4: One Handed Page Holder A simple but ingenious lifehack for those who like to read good old fashioned books. Cool Things to 3D Print #5: Swiss Army Style Key Chain We’ve all been there. 40 Cool Things to 3D Print Which Are Actually Useful
40 Cool Things to 3D Print Which Are Actually Useful

Sign in / Join Search Results 6 results matching helmet ww1 Filter By For Education Refine Your Search Board Game Piece - American Infantry Helmet, WW1 by DokEsperanto Nov 12, 2017 Board Game Piece - German Cavalry Helmet, WW1 Manfred - WW1 RC Model Pilot Bust by workshopbob Sep 2, 2016 Search Thingiverse
3D Printers in Elementary School This week I am hosting some guest bloggers. This is a guest post from Terri Eichholz. We were recently gifted with a Makerbot Replicator (5th Gen) to pilot in our elementary school library. Our librarian, Angelique Lackey, and I knew that time was short before the end of the year, but we wanted students to experience the power of creating with this device. If you search the web for 3D printing curriculum to use in elementary schools, you will find a sparse number of appropriate resources. Most of the “curriculum” turns out to be instructions on using a 3D printer like this, or lists of manipulatives teachers can make on a 3D printer. As we researched, though, we came across the CityX curriculum. If you feel like the City X curriculum doesn’t suit your needs, I encourage you to check out the #makered Twitter chat that occurs every week on Tuesdays at 8 CST. One of my 2nd grade students used Makerbot Printshop to design the medal below for our GT class.
Tinkercad | Create 3D digital designs with online CAD
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Una impresora 3D es una máquina capaz de realizar réplicas...
Desafío Spinner- Miniferia 3D

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Animation, Graphics & 3D Modeling

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