Topics addressed - Hot end clogging, causes, solutions. Extruded motor & gear issues, under-extrusion with causes & fixess. Z axis & gantry issues, causes upgrades, tips & fixes. Other common problems, tips, solutions and misc upgrades.
Mods/upgrades:
Z axis right angle brace (I used only the right angle gantry support)
https://www.thingiverse.com/thing:212...
Bowden couples clips:
https://www.thingiverse.com/thing:249...