PC is a top choice material for engineers and manufacturers who require parts that need to retain its strength

Or you can use the ISP header with an external program (overwriting the DFU bootloader)

For Wanhao 4S

Download the correct version for your operating system or you can get the executable version for Windows (easier)

Polymaker Polylite PETG - White 1.75mm - 1kg Phaetus Nozzle PC is a top choicePolyLite is a family of 3D printing filaments made with the best raw materials to deliver exceptional quality and reliability. PolyLite covers the most popular 3D printing materials to meet your everyday design and prototyping needs. PolyLite PETG is an affordable PETG filament with balanced mechanical properties and easy printing. PolyLite is a family of 3D printing filaments made with the best raw materials to deliver exceptional quality and