Fusion primitives in all modeling types
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Fusion primitive solids in form, solid, mesh, and parametric sketch modeling modes, with special emphasis on the cone
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- Printables
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- Other 3D Objects for Learning
- Licencja
- Creative Commons — Public Domain
This model is shared here in Fusion
Access this model alongside printed versions of the primitive solids for beginning-level Fusion instruction.
Autodesk Fusion is unusual in the 3D modeling world because it combines so many different modeling types under one roof. For students new to modeling, this can be overwhelming. And it can even create issues for those with experience in other software. I've had many SolidWorks folks express bafflement at Fusion's form modeling, for example. Fusion also has a somewhat unique vocabulary, so those who come in expecting to talk about polygons or NURBS are disoriented. Finally, modelers who think of the primitives as containing a vocabulary of spheres, cubes, cylinders, cones, and whatnot are left scratching their heads about how to quickly generate a cone when it's not in an obvious library. For many students, Fusion is Confusion!
This is a simple introductory illustration that creates a matrix of Fusion's main primitive library (Box, Cylinder, Sphere, and Torus) and shows them in Form, Solid, Mesh, and Sketch modeling types.
There are a couple of deviations from that simple matrix:
- Form modeling includes a polar sphere and a quad ball, inviting a discussion about these expressions of a spherical shape.
- Sketch modeling is used to create a cone in two ways: a tapered extrusion of a circle, and a revolved triangle, inviting a comparison between the processes.
The STL files here can be printed at any scale or using any material. I find that having tangible models is helpful for those who have difficulty with “seeing” 3D in the viewport. When I print these, I usually slice a little off the bottom of the spheres and torus for the build plate or slice them in half and assemble them with super glue. I have not altered the files in this manner, so you can do as you see fit.
The students find it interesting to compare the density of faces on objects like the sphere, for example. The mesh sphere renders smooth in the view port but is comparatively lower in resolution than, say, the form sphere. This helps them understand the ramifications of various modeling types for fabrication.
UPDATES
26 Aug: A full set of prints are illustrated, using filament that matches color in the renderings for reference.