3D printers: how they work and which are the best

3D printers are a new generation of machines that can truly produce different types of objects in different materials in the three dimensions of space even in series: while with the classic printer we can print only on one sheet (virtually in two dimensions, neglecting the thickness of the paper), with the 3D printer we can reproduce the desired object in 3D so as to also have a depth in addition to the height and length. The operation of a 3D printer is not as complex as one might think. We find out in this guide how 3D printing works and where we can buy 3D printer models that can also be used in the home.
READ ALSO -> Guide to buy a printer: laser or ink "> To print in 3D, the three-dimensional model of the desired object is required, which can be created using the special programs supplied with 3D printers or by creating a graphic project with AutoCAD and using the printer 3D to actually reproduce it (even if in scale). The material used as "ink" in 3D printers is usually ABS, a plastic-type substance that is easy to model and relatively inexpensive, but many other types of materials can be used plastics (even if they are not suitable for domestic use given the very high cost). Other substances successfully used on 3D printers are polylactic acid (PLA), acrylic, soluble materials (HIPS) and flexible filament (TPU) .

What can be printed

What you can do with a 3D printer is to manufacture a drawn object or clone an existing object. If you break something that is no longer for sale, for example, you can print it as new as when you make copies of the keys; if you buy something online, instead of sending the item, you can receive the model and use the 3D printer to get it at home. Of course this is the theoretical future, more or less distant depending on the production costs of these 3D printers, also because theoretically there are no limits to what can be done: custom-made furniture for the home, spare parts for household appliances, tools, screwdrivers and more. Those who read this article with pessimism can search Google for " personalized 3D printed products " and find out how many things have already been done, including weapons.

Best 3D printers

At the moment, although the purchase of a 3D printer is much cheaper than a factory machinery, the cost is still high for more powerful and precise machinery, even if prices are falling rapidly thanks to the widespread diffusion of technology. Below we have listed some of the best 3D printers that can be purchased on Amazon and suitable for home use. Although many machines use beginner modes and predefined models to be printed and modified, this equipment is mainly dedicated to architects and engineers, therefore to people able to use complex vector graphics or 3D graphics programs.
1) GEEETECH A10 3D printer

The cheapest and simplest 3D printer that you can buy is the Geeetech Wooden Prusa I3 Pro, which provides 200x200x180mm print dimensions, support for Wi-Fi connection and the EasyPrint 3D smartphone printing system.
We can view this 3D printer from here -> GEEETECH A10 3D printer (209 €).
2) Aibecy 3D printer

Another sufficiently cheap printer is the Aibecy 3d printer, which with a price below € 200 offers a print size of 220 x 220 x 240 mm; the filament printing with PLA, ABS, HIPS materials, nozzle diameter: 0.4 mm and display with information on the printing process.
We can view this 3D printer from here -> Aibecy 3D printer (154 €).
3) GEEETECH A10M

If we are looking for a well-made 3D printer with a more modern design we can focus on the GEEETECH A10M, which in addition to the really nice design offers a Print Volume of 130x130x130mm, a printing precision of 0.05mm and PLA support as a printing material.
We can view this 3D printer from here -> GEEETECH A10M (€ 299).
4) ANYCUBIC 4Max 3D printer

A semi-professional printer with compact dimensions is ANYCUBIC, which has printing dimensions: 214 × 186 × 160mm, resolution 0.05-0.3 mm and usable materials ABS, PLA, soluble materials (HIPS), flexible filament (TPU).
We can view this 3D printer from here -> BIBO 3D printer (560 €).
5) ELEGOO 3D printer

One of the best professional printers that you can find at an affordable price for any professional in the sector is the ELEGOO 3D Printer, which offers a volume of 11.98cm (L) x 6.8cm (W) x 15.5cm (H), resolution Resolution: 0.1mm and support for ABS / PLA / HIPS / PVA materials.
If we are interested in this 3D printer we can view it here -> ELEGOO 3D Printer (260 €).
6) QIDI TECH

The best 3D printer that we can obtain for professional use is certainly the one produced by QIDI TECH, leader in the sector of three-dimensional printers. This printer is a real monster capable of printing on a surface of 29.5 x 19.5 x 16.5 cm, with a resolution of 100 micrometers, control via USB or WIFi and an intuitive dial that allows you to set up and maintain the 3D printer.
If we look for the best, we can view this model here -> QIDI TECH (900 €).

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