3D Modeling: Difference between revisions

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=== Introduction ===
=== Introduction ===


This is a page in progress to describe [https://wiki.pumpingstationone.org/3D_Modeling 3D modeling], with the intent of printing the model on a [https://wiki.pumpingstationone.org/Category:CNC#3D_Printing 3D printer] - '''not''' for CNC fabrication.
This is a page in progress to describe [https://wiki.pumpingstationone.org/3D_Modeling 3D modeling], with the intent of printing the model on a [https://wiki.pumpingstationone.org/Category:CNC#3D_Printing 3D printer] - '''not''' for CNC fabrication, though models are used for CNC fab.


In order to make things from either 3D printers (or CNC routers/mills that have 3 or more degrees of movement), you need a 3D model.
In order to make things from either 3D printers (or CNC routers/mills that have 3 or more degrees of movement), you need a 3D model.
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While your first experience with one of these machines may use an existing test model or one you've downloaded from a site like Thingiverse, eventually you may want to create things of your own.
While your first experience with one of these machines may use an existing test model or one you've downloaded from a site like Thingiverse, eventually you may want to create things of your own.


The general workflow for 3D modeling and printing is:  
The general workflow for 3D modeling and printing is:
 
1. Model the part
1. Model the part


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Your model should be "watertight" (the mesh has a mathematically determinable interior), correct normals, and a manifold topology. Shapeways has a nice [http://www.shapeways.com/tutorials/things-to-keep-in-mind tutorial] explaining this.
Your model should be "watertight" (the mesh has a mathematically determinable interior), correct normals, and a manifold topology. Shapeways has a nice [http://www.shapeways.com/tutorials/things-to-keep-in-mind tutorial] explaining this.
=== Free 3D Modeling Software for Pumping Station: One Members ===
We have access to SOLIDWORKS Educational licenses for free through the space, details are at [[SOLIDWORKS for Pumping Station: One]]
We also have free access to Dassault Systemes 3DEXPERIENCE, which is a full engineering suite that runs in the browser. This includes browser-based parametric CAD, subdivision surface modeling, and programmatic design apps. For onboarding, email [mailto:cnc@pumpingstationone.org the Industrial CNC Area Host].


=== Free 3D Modeling Software ===
=== Free 3D Modeling Software ===