Atlas Scientific Dual Probe Holder Arm - Modified

We are quite happy to find this probe holder available from Atlas Scientific as we bought their products. We use the remix for the probe holder that can stand alone on a glass or becker.

The original design propose some bolts that should be inserted tight, however I think it is too dependant on the printer setting and did not work for me, so I printed 12mm bolt-nuts and washers. Actually, the nuts have a good fit with 12,2 mm thread diameter on my prusa i3. The files should be already the ri