Author Archives: Chris

3D Scan Editing in Rapidform

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Here’s a low-poly version of the final model.

Here’s a sample workflow of editing & cleaning 3D scan data in Rapidform. This was scanned from a deer skull using a Handyscan 3D scanner.

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Multiple Webcams in Flash with Actionscript 3

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It’s true! You can have multiple webcam feeds in your swf/as3 application. Here’s how:

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ARToolKit/FLARToolKit camera_para.dat for the iSight

chessboard_ready_for_calibration

For all you ARTookit/FLARToolkit users out there, here’s a camera_para.dat file calibrated for the built-in iSight camera on a MacBook Pro. Here’s the file, have fun:

camera_para_isight2.dat

Varying Vector Cut Speeds on a 120W Laser Cutter

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Above is an example of varying speed settings with vector cuts and engravings on a 120W Co2 laser cutter. The ratios of power to speed are roughly the same on both groups of cuts, producing approximately the same depth; however one speed setting is much higher (30x) than the other, producing the wobbly lines on the fast group. The faster setting was enough to cause the laser’s Y axis to lose registration, as you can see on the two bottom lines of text.

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Rhino NURBS Solid Modeling Tutorial

webcam2

The final product should look something like this

This tutorial is based on toxiclab’s webcam tutorial. I tried to be a little more explicit as this is intended for beginners.

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