Pipette Carousel

About this device
Keywords 3D printing, pipette holder, chemistry, clean samples
Uses development, industry, medical
Authors Sam Wurst
Status prototype
Made? Yes
Replicated? No
Designed in United States
Cost USD $ 2.08
Instructions data
Manufacturing files https://www.thingiverse.com/thing:4023762
Documentation data
Language English
Manifest data
Language English
Updated 2020-06-04
Author Kathy Nativi
Author affiliation Appropedia
Author email info@appropedia.org

Project developed by Sam Wurst


Abstract

This Open Source Appropriate Technology (OSAT) fulfills a request for pipette accessories on the "Requests for 3-D printable open source appropriate technology" Appropedia page. I chose this OSAT because sanitation in any type of healthcare situation is vital to avoid infections and disease. This carousel keeps medical and lab pipettes suspended so as not to contaminate both the area around the and the samples inside them clean and safe.

Picture of completed pipette carousel print using my printer

Bill of Materials

  1. Pipette Carousel Base - 44g PLA 3D printer filament
  2. Pipette Carousel Lower Layer - 24g PLA 3D printer filament
  3. Pipette Carousel Upper Layer - 36g PLA 3D printer filament

Unable to upload FreeCAD and stl files to Appropedia. Files can be found by selecting the following Thingiverse link: https://www.thingiverse.com/thing:4023762.

Tools needed for fabrication of the OSAT

Skills and Knowledge Necessary to Make the OSAT

I need experience using a 3D printer, CAD software (FreeCAD), and 3D object slicing software (Cura).

Technical Specifications and Assembly Instructions

Printing Instructions

  • 15% infill
  • Print speed 70 mm/s (Standard speed for your printer)
  • 0.25 mm layer height
  • Adhere to print surface by applying a glue stick to the surface shortly before starting the print.

Pipette Carousel Base

Estimated print time: 2 hours 42 minutes.

Pipette Carousel Lower Level

Estimated print time: 1 hours 23 minutes.

Pipette Carousel Base

Estimated print time: 2 hours 10 minutes.

Assembly time: 1 minute

Common Problems and Solutions

The pieces need to be adhered to the print surface, otherwise they tend to curl up. This project is a simple print and put together.

Cost savings

  • My Cost: 104g of PLA filament at $20/kg = $2.08
  • Commercial equivalent: Heathrow Scientific Universal Carousel Pipette Stand costing $83.20
  • Monetary Savings: $81.12
  • Percent Savings: 97.5%

References

Requests for 3-D printable open source appropriate teechnology Available: https://www.appropedia.org/Requests_for_3-D_printable_open_source_appropriate_technology

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