I have bought a pair or excellent JBL LS305 on Amazon and needed a couple of stands to insulate them from my desk (a standard Ikea table), raise them a bit and tilt them backwards to some degree.
After looking for many expensive foam speaker stands, I decided to build them, using some IKEA Stuvad Pot Stands (looks like they are discontinued now, but you can still find some online). They are made of cork which absorb vibrations very good.
I then simply glued some wooden pyramids (courtesy Leroy Merlin DIY Store), on the bottom, in order to better reduce contact with the desk.
Here's the result: