Process

1) I sketched the original form until I felt I could create a Fusion 360 model easily

2) Fusion 360 modeling

3) Send to print

4) Realize print is too big for bed

5) Cut off bottom of form in Fusion 360

6) Send to print again :|

7) Wait 2 days for print

8) Realize interior diameter of test tube hole is about .25 mm too small for the test tube by breaking a test tube while inserting it

9) File down  interior of test tube hole

10) Document