Evolution X-axis carriage for FLSun i3 (integrated tensioner, v6 clamp mount)

-Integrated belt tensioner
-E3d v6 clamp mount
-Slotted bearing mounts
-Improved cooling
-Improved nozzle visibility with v6

Upgraded X-axis carriage for the FLSun prusa i3. Remixed the original FLSun model adding an integrated belt tensioner while retaining original fitment and functionality and trying not to add too much weight. The tensioner uses an easy slip-in belt clamp and M3x35mm bolt, captive nut, and washer.

Newest "Evolution" version fits uses a clamp mount with m4x25mm b