A conventional laser printer makes use of its laser to map an electrostatic cost that draws toner powder to paper to type a picture. However the DIY mini laser printer created by GitHub person Elias55745 works on a distinct precept completely. It’s geared up with a strong laser that burns a picture into paper because it traces a path over it. This implies it can not print in colour, however who cares? Simply check out the printer — it’s lovely! And you may construct your personal, or purchase one absolutely assembled for $64.
A take a look at the inner {hardware} (📷: Elias55745)
The printer is constructed round an Arduino Nano board that’s geared up with an ATmega328 microcontroller. This board coordinates two miniature stepper motors to attain exact X- and Y-axis motion. The printer delivers a working space of 50mm by 50mm, making it ideally suited for detailed engraving on small surfaces equivalent to wooden, leather-based, and paper. A 250mW laser module gives the slicing and engraving functionality, although it’s best suited to darker supplies and isn’t able to engraving metallic.
The design features a side-mounted cooling fan to keep up protected working temperatures for the laser module. Energy is provided by a 12V enter, with onboard parts fastidiously chosen to make sure reliability inside that vary.
For DIY fans, the mission provides flexibility in sourcing parts. Customers should purchase an entire package or individually purchase elements equivalent to stepper drivers, versatile cables, and optical rods from on-line marketplaces. The construct additionally requires a customized PCB, which could be fabricated utilizing the offered information, together with normal digital parts like capacitors, resistors, and connectors.
A check print (📷: Elias55745)
Setup entails putting in drivers and utilizing management software program equivalent to LaserGRBL, permitting customers to connect with the printer through a COM port and start operation. Firmware customization is elective however supported, giving superior customers the power to switch performance.
Additional particulars can be found on GitHub, and you should buy a package or assembled printer from Elias55745’s on-line retailer.