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Sandpaper
Maintaining a supply of sandpaper encompassing a diverse range of grades is

strongly advised. Upon post-processing your 3D prints, each of these will be
beneficial. Invest in reputable brands, such as 3M, which range from coarse (220
grit) to fine (1000 grit), as they are more likely to withstand the test of time than

less expensive, substandard alternatives.

Screwdrivers/hex key screwdrivers
It is advisable to acquire high-quality hex keys and screwdrivers, as you will need
to re-tighten the stepper motors and gantry fasteners of your 3D printer on
occasion. An assembly of 3D printers frequently involves hex nuts and bolts; it is

also sensible to carry a set of hex key screwdrivers and wrenches.

Flashlight
It is highly recommended to have proper lighting on and around a 3D printer. It
facilitates the use of your printer by allowing you to see its minute components

more clearly. Moreover, a more precise observation of the development of your
prints is possible. A flashlight is an excellent tool to have on hand, regardless of
whether your 3D printer or another assembly is equipped with a lighting system.

It may be used to illuminate and concentrate on hidden and small areas.

Rotary tool

A rotary tool is a multipurpose tool that serves an array of purposes and is
indispensable in many circumstances. It may be employed for engraving, carving,
grinding, sharpening, sanding, and cutting, among others.

Soldering iron
Including a soldering iron in your toolbox is an excellent addition of functionality.

It can be utilised, for instance, to adhere and flatten 3D-printed models made of
PETG or PLA. A soldering iron’s generated heat may be applied to burnish a

model’s surface to obtain a smooth finish.

Nozzles
Nozzles are the tip of a fused deposition modelling printer’s hot end and where

the melted filament comes out. Over time, nozzles can deteriorate and abrade,
resulting in inconsistent extrusion; therefore, it is essential to carry spares in case

of jamming or clogging.

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author(s) only and do not necessarily reflect those of the European Union or the European
Education and Culture Executive Agency (EACEA). Neither the European Union nor EACEA can
be held responsible for them. Proposal number: 101087107.