Donate to Marlin Firmware!
Since 2015 I've been maintaining the popular open source Marlin Firmware project, helping to produce the software that drives most of the world's consumer 3D printers! Taking care of Marlin is a full-time job, so every donation or cup of coffee helps a lot!
You can make a one-time donation of any amount and even set up a recurring monthly payment. Several options are available, with more to come: