Flux holder
thingiverse
It fits perfectly with 15ml JCB FLUX format. I've enclosed Sketchup editable file. Please feel free to modify and adapt to your needs.
Download Model from thingiverse
With this file you will be able to print Flux holder with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Flux holder.