Vacuum Hold Down Table

I have made a portable vacuum hold down table for the CNC router. The hold down table is a wooden box with a grid of small holes on the top with a larger hole on one side to connect my shop vacuum. When the vacuum is turned on, it pulls air through the plenum within the box which creates suction through the grid of small holes on the top. This suction will hold a flat work piece on the top of the box in position.

The CNC router build:
https://www.youtube.com/playlist?list=PLZqh4Qx3PPHka0hxFPcKI475XsxOgrkJb

Some of the tools used in this project
Cantilever Clamps: http://amzn.to/1TJmAFx
DEWALT DW618 2-1/4 HP Router: http://amzn.to/1TJmFcr
Milwaukee 18-volt Compact Drill: http://amzn.to/1sj855F
Whiteside Router Bit 1/8-Inch: http://amzn.to/1NvVwxd
Whiteside Router Bit 1/4-Inch: http://amzn.to/2bPwUhf
Oshlun 8-1/2-Inch Negative Hook Finishing ATB Saw Blade:http://amzn.to/1TJmTQJ
FastCap Glu-Bot Glue Bottle: http://amzn.to/1TJn0vq
3M Peltor H10A Optime 105 Earmuff: http://amzn.to/1sj80iw
3M Reusable Respirator: http://amzn.to/2cGwyPL
3M Particulate Filter P100: http://amzn.to/2bYwhaK

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