Saturday, 23 April 2016

123D Catch

Using Autodesk's 123D Catch app, (which is downloadable on smartphones or directly on computers) you can easily make a 3D model of any object that you like. Basically, you take a series of  photos of an object from different angles, enough for it to recognize the object on various points and generate a 3D version of it. This is called photogrammetry.

The app is totally free. So, you would just need an Autodesk or even just a Facebook account to save and access your works.




Before you start modeling your final object, you can start practicing first on other objects for you to have pro skills. (I practiced on random stuff like an umbrella I found on Red Centre and my bag, before finally modeling my leaf)


1. Take photos of your object from different angles.


I found it easier to use my phone in taking pictures of the object but easier to navigate and clean it up on my laptop. For best results, it's important that you don't capture too much of the background and that you keep the object still and in good lighting. (It's good to lay it on a paper sheet.) And make sure to avoid reflective surfaces.

2. Upload the photos to generate the model 


After taking the photos, submit them! The app will start transmitting and processing the photos, and finally start generating the 3D model. (Now, this could take forever so just be patient. Chill. Take a nap.) You could also start another capture while you're waiting for the other one to be finalized.

3. Navigate through (be amazed by) your finished model.


The finished model will give you access to orbit around the object. This will allow you to see if there are any errors (usually because of bad photography skills) You could also download the Mesh Mixer app to clean and remove unnecessary bits of the model. If you're not satisfied with the model, you could retake the photos and start over but be sure to have master photography skills this time. If you're satisfied then, congratulations!!! You can read my next blog entry.

And make sure to save your model!

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