Prusa i3 Aluminium Rework

thingiverse

The text appears to be a step-by-step guide for building a Prusa i3 3D printer. It provides detailed information on the necessary parts and components required to build the printer. The guide also includes reference designs and modifications to help with the build process. Here are some of the key points from the guide: **Hotend Thermistor:** * A thermistor with a resistance value of 3950-1% is recommended due to its ease of use and support in Marlin firmware. * An original EPCOS 100K thermistor can also be used if available. **Other Components:** * A 1 or 2mm thermal shrinkable tube may be required to isolate the thermistor. * Push-in fitting connectors (e.g. 1/4 BSPT male connector) are necessary for the PTFE tube, especially for Bowden printers. **Stepper Motors:** * The recommended stepper motors are Nema 17 from Wantai, which are 1.7A, 1.8, 4000g.cm, and 40mm high. * Alternatively, a different model (42BYGHW804) can be used for its higher torque and cooler operation. **Miscellaneous:** * A Z-probe holder and bed leveling components may need to be sourced separately. Some notable design choices include: * The use of 30mm aluminium extrusion bars * M6 screws are specified throughout the build * Optional parts include a pneufit adaptor for J-heads, z-probe holders, and hotend supports Overall, this guide provides detailed instructions for building a Prusa i3 3D printer with a focus on accuracy, precision, and high-quality components.