Good large pack of vector images and designs for engraving

Has anyone purchased a large pack of good 2d and 3d vectors and designs for importing and engraving and carving? I am looking around and have found a few not high quality packs on ebay for laser/plasma cutting, and I found a few websites like http://www.designious.com/ where you can buy some. I am not looking for free, but high quality all encompassing designs. Free is fine, but I need them to be royalty free and verified since it’s for products I am selling.

https://www.vectorart3d.com they have some

I got some of those with my purchase of V Carve Pro. They are not bad, and I have used a few of them already.