Parts:
Thingiverse
Shapeways
Thangs
People:
MODELU
Design:
Alibre
Blender
TinkerCad
FreeCAD
Slice:
(Ultimaker) Cura
Printing:
Raspberry Pi 4 with OctoPrint
Printers:
FormLabs
Ender3
Fan cover
Filament guide upstairs
Filament guide downstairs, another and one more
Cover underneath display
Spool holder roller
Glass bed
Springs
Metal feeder
Air spreader
PTFE tube and coupler upgrade
Cable guides
Tension belts