Dust collector meant for CNC use with a Rigid vac and DeWalt 611 Spindle https://amzn.to/2FNIMl5 (Amazon) labeled as "JSCook-DC0" to signify this is the initial "0" version.
Attachment meant for use with a small shop vac is also available, and if you need another size, let me know - email@example.com or on Twitter @JeremySCook - and I will try to accomodate.
Uses 12mm magnets to hook base and clamp together, and 10-24 screws for clamp and ring attachments. Buttonhead screws are recommended.
Version 1 build video: https://www.youtube.com/watch?v=WIhFcK5mLU0
Version 2 w/ No clamps: https://www.youtube.com/watch?v=BHew18YmPYI
Files available for non-commercial use, for other licensing arrangements, please get in touch. Amazon link is affiliate.