@@GeorgeLaight Exactly! I usually just make a tight pocket in the spoilboard but still have to turn the vac on because the MDF bows up about .02” without it.
Nice videos! I very much like the content you have created. I work for MultiCam in the US and will be passing this on to our Marketing team... and we should get you some plugs instead of the tape, to cover the vacuum holes!... check the tool box! :)