Monday, June 8, 2015

CNC Router Mini Chair

     We've been getting the CNC router up and running these last few weeks, both with the drag knife and the spindle. In the mini-project below, an idea from Thingiverse was the inspiration. The Strap Chair looked pretty cool and simple enough for a starter project. The .eps files were downloaded and slightly modified in Adobe Illustrator. A kerf pattern was created to help the chair bottom bend and to create a better bodily contour. These kerfs will also make the chair lighter and increase air circulation. The modified .eps files were brought in Vectric V-Carve Pro where the tooling paths were then created.  The final chair was rescaled to about 1/7 of its original size while using 3.5mm plywood.  Overall, this downsizing approach creates a pretty good prototype without wasting much wood and using less tooling resources.  The last image at bottom shows an example of what can be done with the drag knife. This CNC tool has amazing potential.





Example of Drag Knife Cutout Below Using Cardboard


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