Lix have an upgrade program for its backers from Kickstarter only. All you need is print and fill the file below and send your actual Lix Pen with the document. After a reception, we will check if the Lix could be upgraded and if it is, we upgrade it and send you back.
PLA filament. Comes in a wide range of colors and levels of attractive glossy translucency. The plant-based origins and desirable semi-sweet smell. Has slightly less strength and flexibility than ABS and is also sensitive to moisture. Begins to melt at 320 °F and works at 356 °F.