X-Winder does not sell the Long Bars that give the X-Winder its length. The Long Bars are standard t-slot aluminum extrusions that can be purchased from a variety of sources. We recommend three (3) long bars of equal length with one of the section profiles as shown below. If you cannot find "inch" sections in your region, you can use 25x75mm or 30x60mm sections.
Long bars can be purchased from:
X-Winder does not sell filament winding supplies like filament reels, epoxy glue, heat shrink tapes since these supplies are generally widely available. Below is a listing of some suppliers offering these types of supplies.
Heat Shrink Tape: