Needle guide for GC inlet

When using Osmar (https://www.thingiverse.com/thing:3027320) as an autosampler, I was facing a problem: the needles of the syringes were missing the narrow entrance of the GC (gas chormatographer). Thus, I designed a guide that can be placed around the existing hole and make it easier for the syringe to reach the spot. Now I never miss the mark! It is awesome!
This particular one is for the Trace GC Ultra, by Thermo Fisher. It can be modified for other models, as the design for open scad is pro