BD Vacutainer Sample Holder

I needed a small holder for medical samples and found the one this is a remix of, but I wanted one that is more stable as well as a bit lower. So I made a modified version of it that is two rows wide, as well as one that is 1cm lower (4cm in total).

Modified version that is two rows wide, as well as one that is 1cm lower (4cm in total) and two rows wide.