simple 3 bottle holder for essential oil

A simple holder to hold 3 bottles of essential oil properly in place in the wooden box it was delivered in, instead of the somewhat ugly solution provided by the vendor.

Uploaded a v4 which is 1/2mm larger in diameter. (dcomp in openscad file changed from -2 to -1.5) because it is _just_ to small for some bottles.

Update 1: fixed scad file
Update 2: added second scad file and STL for a holder for 6 pipets