Drawings from my Projects in my Shop:
https://www.etsy.com/shop/MadebytheMe...

Yes, I don't have much space in my workshop. And certainly not for a Downdraft / Grinding table. So I had to come up with something.
And that I don't suck off all the dust with this box is also clear to me. But I hope that most of it will be sucked off. It was also important to me that I could easily clean the filter. Now I can just vacuum it up with a vacuum cleaner.
I could also have bought a builtin fan, but since this was more than an experimental project, I didn't want to spend any money at first. The blue filter pad is a special filter mat and does not burn.