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Likewise if you create a part using inches then the STL uses inches. If you create a part using centimeters then Alibre Design exports an STL that uses centimeters. If you export an individual part or you hide/suppress parts in an assembly then Alibre Design exports the STL using the position and origin in the part file not the assembly, causing the position information to be lost.Īn additional problem is the units used in STL files are not defined.
![inkscape dxf millimeters inkscape dxf millimeters](https://cutlings.wasbo.net/wp-content/uploads/2020/08/robo_pt-1024x364-640x480.png)
Information about the individual parts is lost, so this is not usable for our purposes. It merges all the parts together and produces a single object. This is where the problems start.Īlibre Design supports exporting an assembly to a single STL.
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This would allow the 3D slicing software to know to stack the pyramid on top of the cube. Now we need to export the two STLs preserving their position relative to the same origin. We would design the cube and pyramid as two parts then use an assembly to stack the pyramid on top of the cube. What we would need therefore is a way of exporting multiple STLs from an assembly preserving their relationships to one another.įor example, suppose we have a cube and a pyramid and we wanted to place the pyramid on top of the cube and print it in a different color to the cube. Alibre Design has a very flexible and easy to use way of grouping parts together called an assembly. Each piece is assigned a color/material for printing. In general the easiest way to allocate different colors/materials to a part is to design that part using multiple smaller pieces. How can Alibre Design be used for this scenario? Becoming increasingly popular and affordable are 3D printers that support printing with two or three colors/materials at once, such as the Prusa Mendel from RepRapPro. This is fine when you are only printing with a single material or color. When you wish to print out a part on a 3D printer the workflow is simple – design the part, export to STL and print it. Now you can assign materials, add lights, position the camera, etc. Optionally you can select all the STLs and press ‘S’ to scale them down as they may be a bit large. They will appear in the view in the same positions as they were in the assembly in Alibre Design. Then go to File -> Import -> STL and choose the STL files that were generated. More details on using it can be found in my previous post on 3D printing with Alibre Design.
![inkscape dxf millimeters inkscape dxf millimeters](http://archive.fabacademy.org/2016/fablabbcn2016/students/284/assets/images/week3/inkdesignbox.jpg)
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Now use my free utility AD Assembly Exporter to export the assembly as a set of STL files. For example here is an assembly showing a pyramid stacked on top of a cube. However it is easily possible to use the free and very powerful Blender to generate ray traces of your 3D models.įirst you must design the parts in Alibre Design and put them together into an assembly.
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The Professional and Expert versions of Alibre Design come with a ray tracer called Keyshot but the Personal Edition of Alibre Design does not. The estimated print time for this example is five hours and 45 minutes.ĭownload AD Assembly Exporter (now called WizoPrint) For example blue is always the first extruder. Note that the colors don’t match the Alibre Design assembly because Repetier-Host uses it’s own coloring scheme to represent the different extruders. Here is the g-code output shown in Repeiter-Host: Once generated the AMF file can be loaded directly into Slic3r and sliced.
![inkscape dxf millimeters inkscape dxf millimeters](https://i1.wp.com/polakiumengineering.com/wp-content/uploads/2014/05/inkscape_1.jpg)
In particular Slic3r currently has several limitations so by choosing Slic3r the application will stop you from making invalid choices. It’s necessary to choose which slicing program is being used as there isn’t a standard way of mapping colors to extruders. For example in this image black is the body of the object and has been assigned to the primary extruder. It is then possible to assign the colors to extruders on the 3D printer. When an assembly is opened the application obtains the colors used by the parts in the assembly. I’ve now updated my exporter utility to support saving Alibre Design assemblies directly to this format: It is essentially a way to group STL files together into a single object and specify different colors or materials for various parts. The file format chosen by it’s author is AMF – Additive Manufacturing File. Slic3r is a very popular, fast and flexible slicing program and now it also supports printing multi-color objects. This is fine for use with the RepRapPro slicer but perhaps not with other slicers. Previously I wrote about my little utility that allows exporting properly positioned STLs from Alibre Design so they can be imported into a slicing program for multi-color printing.
![Inkscape dxf millimeters](https://knopkazmeya.com/16.png)