Für das in zweijährigem Turnus stattfindende Cosmic Cine Festival wurde Formenmacher mit der Herstellung der zu verleihenden Preise beauftragt. Die Figurinen haben eine Gesamthöhe von ca 35 cm. Mittels FDM-Druck produziert, erhielten die Statuen im Nachgang eine Füllung für bessere Haptik – das Gesamtgewicht pro Figur erreichte somit jeweils fast ein Kilogramm – und eine Lackierung in Metalloptik. […]
Der Beitrag Formenmacher fertigt Figurine für Filmpreis im 3D-Druckverfahren erschien zuerst auf 3Druck.com – Das Magazin für 3D-Drucktechnologien.
Multicolor printing is a fascinating 3D printing technique, as it allows you to make your 3D file truly come alive in full color. Today we will take a more detailed look at this technology and see how the 3D printer manages to “paint” the model during the printing process. Our Multicolor material is perfect for visual models that need more than just one color. Typically, these are models you put on your desk or on a shelf such as architectural scale models, figurines, sculptors and awards. Many users have asked us if these models were hand-painted after the printing process, and were surprised to hear that the 3D printer itself did all of the coloring. That’s why we want to shed some light on the 3D printing process of this extraordinary material. The Technology: ColorJet Printing The technology behind our Multicolor material is known as ColorJet 3D printing. This technique builds up the model from a granular powder that is glued together – layer by layer, bottom to top. The technology was first developed at the Massachusetts Institute of Technology (MIT) in 1993 and was known as ZPrinting. In 1995, Z Corporation obtained an exclusive license for the technology. Materialise has been using this technology since 2007. The Base Material: Sandstone Powder Unlike with most home printers, ColorJet printers do not use filament. In fact, the 3D-printed parts are constructed from a very fine, granular sandstone powder. It is important to note that the powder used by 3D printers cannot be just any kind of powder. Since it will be used for ultra-thin printing layers, the powder must be perfectly shaped in order to even out. Consider rocks and marbles: you could easily put rocks on top of each other to build a pyramid. However, building a pyramid with marbles would be way more difficult, as the perfectly shaped spheres would fail to stay in place and your pyramid wouldn’t stand a chance. Similar to the marbles, the sandstone powder needs to have the perfect shape since each and every printing layer needs to have exactly the same height – even if we’re talking about microns here. The Printing Process To create your 3D print, the printer glues the powder together. So here’s how it works: a super-thin layer of sandstone powder is spread out by a roller. And then the magic happens: a print head places tiny drops of glue on the areas of the layer that are part of your design. The 3D printer will continue to spread out one layer of powder after another, and the print head will systematically glue the correct spots of each layer together. But… where is the color? The Coloring Process: 4 Types of Colored Glue The coloring of your model is done by combining four different pre-colored glues to match the colors that have been requested. These glues will only be placed on the surfaces of the model, while the interior parts will be glued together with clear glue. The colored glue can of course print in more than four colors. They can be mixed and printed in up to 16.7 million different colors to be precise. Just like a regular 2D printer, the four base colors are Cyan, Magenta, Yellow, and Key (Black), or CMYK for short. CMYK works pretty much like the box of paints you used back in school. If you don’t have the color of paint you’re looking for, you need to mix two existing colors together. Adding colors together usually means that the new color will be slightly darker (when you mix yellow and black, it follows that the resulting color simply cannot be brighter than yellow). That’s why this system is called a ‘subtractive color model’. After the Printing: the Finishing Process One the printing is done, your model still isn’t ready to be shipped right away. First, we need to dig out the glued model from the box of un-glued powder and clean it carefully. Since it is still quite brittle it needs to be put in a bath of superglue to gain some strength. Next, it will be sprayed with a UV coating to prevent de-coloration by sunlight. That’s what we call our ‘matte’ finish. You can also go for a ‘gloss’ finish which is achieved by applying a thicker UV coating. This option will give your model a shinier surface. In general, a gloss finish creates an object with more vivid colors, while the colors of a matte object won’t be as shiny. Take a look at the following prints to get a better understanding of the difference between these two finishes: How to Get a High-Quality Multicolor 3D Print Consumers can simply order their multicolor 3D prints with our online 3D printing service. This brings entirely new possibilities to designers, sculptors, architects, makers and entrepreneurs; and it also opens new doors to individualized manufacturing. At i.materialise we’re committed to letting you make the future. If you would like to print your design in Multicolor or one of our 100+ other materials and finishes, upload your 3D file here and see the price of your model within seconds. If you want to learn more about this material first, take a look at our blog post “How to Get the Perfect Multicolor 3D Print”.
3D printing has had a huge impact on all kinds of objects… even action figures. Big brands like DC Comics have even signed deals with 3D printing companies to print some of their figurines. But since 3D printing is all about customization it is also the perfect technology to create your own action figure. Here’s how it’s done! There are several ways you can create your own action figure or fantasy character. It could be something of your own invention or it could even be yourself – with the help of 3D scanning. In this blog post we will give a broad overview about the different ways you can get your own 3D-printed miniature figurine, whether you decide to sculpt it yourself, start with a file from the web, or need a 3D scan of yourself. Start from scratch: If you want to create your own action figurine or fantasy miniature from scratch you probably need to look into digital sculpting. CAD software that is intended for creating 3D models of mechanical parts or architectural models won’t help you a lot – the result will simply be too edgy and non-organic. Luckily there is specialized digital sculpting software out there – and there are quite a few decent programs that come for free. Sculptris: Sculptris is a great place to start your first digital sculpting experience. The learning curve and user interface are fairly simple. This program now belongs to Pixologic, a company known for its expertise when it comes to cutting-edge digital sculpting solutions. Oh, and best of all: it’s completely free! Meshmixer: Meshmixer, a free sculpting program from Autodesk, is also a great solution for beginners. While the sculpting tools don’t really hold up to those of Sculptris, Meshmixer is perfect for preparing your model for 3D printing. That’s why many 3D artists work with several programs and use Meshmixer to give their model the ‘finishing touches’ before it goes to the printer ZBrush: This is the ‘tour-de-force’ when it comes to digital sculpting. Most professionals use this software since it is by far the most powerful out there. ZBrush comes from the same company that brought you Sculptris, but offers its users a much wider range of tools. Experts claim that this power and design freedom involves a somewhat steeper learning curve than in other programs Other software with sculpting modes: There are other popular 3D modeling programs that come with sculpting modules like Cinema 4D, MODO (premium programs) or Blender (freeware). However, these programs were not originally intended for those kinds of operations and lack some of the features that dedicated digital sculpting software has to offer Starting from a file: Using the software packages above does not always mean that you need to start from scratch! Of course you can also import 3D files from the web or 3D scans. Finding 3D files on the web: There are tons of websites out there that offer (both free and premium) 3D models to download. We took a look at 10 of the best and most popular 3D model databases and compared them for price, quality, selection, and printability right here. Starting from a 3D model is especially helpful for people new to 3D modeling and 3D printing Open-source tool for human 3D characters: MakeHuman is a great tool to create your first 3D file. It’s a free and open source software that creates realistic and customized 3D humans which can still be further edited in programs like ZBrush and Meshmixer Getting scanned: Of course many people want themselves to be the main hero. In order to create a figurine that looks just like you, there are 3D scanners for the job. High-end scanning software can easily cost thousands of dollars – but there are cheaper alternatives. On the one hand you could get yourself scanned (yep, there are services for that), or you could try to get a scan with a free app on your smartphone. Creating a decent 3D scan with a smartphone (or camera) is a bit trickier and may take a few attempts, but we’ve had quite a few positive experiences already. You can find an overview of the 20 best 3D scanners here. A very important step is to clean up your 3D scan before you can print it. ZBrush or Meshmixer are especially useful for that and of course we also have a complete tutorial here 3D printing your design: It doesn’t matter if you start from scratch, a scan, or a file; two more things are essential for a successful 3D print – a well-prepared file and a basic understanding of the intended 3D printing material. 3D printing material: When it comes to action figures in professional 3D printing quality you have several great options. For a 3D print that is printed in multiple colors, multicolor material is probably the way to go. If you want stronger plastic material and are thinking about painting the model yourself you should take a look at Polyamide or Gray Resin. Metal prints are also possible: steel, brass, bronze… you name it! File preparation: No matter what material you choose in the end, you always need to read the detailed design guides for some essential tips and tricks to prepare your file for 3D printing. You will learn why wall thickness is important and how the fragile parts of your model can be supported. We already mentioned it above, but it’s worth another reminder: a 3D scan always needs to be ‘cleaned up’ before it is printable (read more about this in the ‘getting scanned’ part above) Getting your professional 3D print: In order to receive a high-quality 3D print you can simply upload your file here and choose from 100+ materials and finishes. We will then print your model and ship it right to your doorstep
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