Rack extension legs (For allowing a cleaning robot to go under)
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Simple extension for making the space under a metal rack taller for allowing a cleaning robot to clean under the rack.
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Informacje o modelu
- Źródło
- Printables
- Kategoria
- Home Decor
- Licencja
- Creative Commons — Attribution — Share Alike
1.- Introduction
As with all prints I do, all start or from a need or a lust-to-have.
My daughter who loves plants, has a rack full of plants but because the rack is not tall enough for the cleaning robot to go under, she asked me to design and print some leg extender that will be discrete and that does the work.
The internal diameter of the leg extender is 16.5mm for a 16mm rack leg.
The leg extenders add 40mm in height but require 60mm for inserting the rack leg.
The model was designed in Fusion360.
2.- Printing the Model
The part was printed with additional perimeters for making it stronger.
Don't print with random seam position, otherwise you will get the ugly dots like in the model photos.
I tried to use two different colors of filaments, one for the the “shoes” of the leg extender in regular gray color, and the leg extender in a silver color to match the metal rack color. The color change is done at 9.8mm as in the following Prusa Slicer screenshot:

No supports are needed to get well printed.
| Printer | Prusa MINI+. |
| File | rack-extension-leg-v1.stl |
| Print Time | 1:27 hrs. |
| Filament used | 5.26mt (15.7gr) - I used PLA+ from eSUN. |
| Layer height | 0.2mm. |
| Printer Nozzle | 0.4mm. |
| Perimeters | 3 to enforce walls around the holes and give it strength. |
3.- Change Log:
- Upload: 2024-01-21: Initial Version.
4.- Last Words

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Happy printing & Greetings from the Galilee.
Hope it was not TL;DR