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Problem:
COVID test kits contain multiple different parts, some of which need to be kept upright. The existing solution for this (slotted holes in the cardboard packaging) is unreliable.
Solution:
3D print an inexpensive, reliable, stable platform for COVID testing that keeps all of the test components in one place.
Step 1: Measurements
Step 1: Measurements
A standard COVID test was measured using a high-precision digital caliper after calibration with a control.
Step 2: Prototyping
Step 2: Prototyping
A number of prototypes were drafted using the measurements ascertained in step 1. One of these prototypes was ultimately published online, however I ultimately decided that a slot should be added for the test puck.
Step 3: 3D printing of the final prototype
Step 3: 3D printing of the final prototype
The final prototype, which included slots for both the test itself and the regent, was 3D printed using white PLA plastic. PLA was chosen as this design is meant to be disposable.
Step 4: Fit testing
Step 4: Fit testing
After the dimensions of the 3D-printed prototype were confirmed to be correct, an industry-standard COVID regent test was slotted inside to confirm the proper fit.
While this design shows promise, I am in the process of conducting tests to ascertain whether it can be safely re-used. When these tests are complete, I will publish the schematics for 3D printing it online, freely available.
As a side note, the holder itself cost mere cents to print. I do not see non-reusability as anything other than an environmental concern.
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