This “Getting Started” is intended as a guide to new users of CopyCAD.
It contains two tutorials, which show you step-by-step how to produce complex CAD surfaces from digitised point data.
In the first “Alloy Wheel Tutorial” you are shown how to prepare point data for an alloy wheel, triangulate it and create a few basic surfaces.
In the second “Surfacing Tutorial”, you build up your understanding of CopyCAD’s surfacing techniques to create a CAD model of a car bonnet
Alloy Wheel Tutorial – Overview
This “Getting Started: Alloy Wheel” tutorial is intended as a starting point for new users of CopyCAD. It shows the two main stages in creating a surfaced model from point data:
• Creating a triangulated model from a points file
• Surfacing the triangulated model
The digitised data can come from conventional co-ordinate measuring machines, tracing machines or laser scanners, and it is assumed that you already know how to acquire the original point data.
This tutorial describes two ways to carry out the first stage. Firstly, you are taken through the process using the Triangulation wizard. This asks you questions about the points file and then triangulates the model based on your answers.
Secondly, the tutorial describes the stages needed to process the file manually. This will help you understand CopyCAD’s processes,including scanline generation, tolerancing, filtering, offsetting and triangulation.
When you have created your triangulated model, you can start surfacing the model. Surfacing is covered in more detail in the second tutorial in this guide, “Getting Started: Surfacing”.
Surfacing Tutorial – Overview
This “Getting Started: Surfacing” tutorial is intended as a guide to surfacing triangle models in CopyCAD. Using the example of a car bonnet and wings, it shows step-by-step how you can create CAD surfaces on a triangle model.
This tutorial shows how you should use the different methods of creating surfaces in CopyCAD. It explains first how you examine the model to decide where you will place the surface patches. You then are shown the steps needed to create four-sided untrimmed surfaces.
It then shows you how you can create trimmed surfaces which can include internal trim boundaries to surface awkwardly shaped areas. In this case, we will create just one surface over an area that using four sided surfaces would need 21 surfaces to create a smooth finish.
Finally, the tutorial shows a few of the extensive CAD surfacing solutions available in the PS-Surfacer editing module. With these you can easily create accurate surfaces over the regular features of the air inlets in the middle of the bonnet.
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