Contents: [Dobrica Pavlinušić's random unstructured stuff]
• Dobrica Pavlinušić's random unstructured stuff (Before printing) 
• Dobrica Pavlinušić's random unstructured stuff (Circle problems) 
• Dobrica Pavlinušić's random unstructured stuff (parts to print) 
• Dobrica Pavlinušić's random unstructured stuff (Printrbot + Upgrades X‑bridge, Extruder Mount, Y‑Clips...) 
• Dobrica Pavlinušić's random unstructured stuff (FreeCAD models) 
• Dobrica Pavlinušić's random unstructured stuff (glass on printerbed) 
• Dobrica Pavlinušić's random unstructured stuff (fan mount for printing ABS) 
• Dobrica Pavlinušić's random unstructured stuff (Z‑Axis Stabiliser Ends) 
• Dobrica Pavlinušić's random unstructured stuff (Y‑Axis) 
• Dobrica Pavlinušić's random unstructured stuff (bad leveling) 
• Dobrica Pavlinušić's random unstructured stuff (extruder) 
• Dobrica Pavlinušić's random unstructured stuff (filament guide) 
• Dobrica Pavlinušić's random unstructured stuff (printrbot replacement parts) 
• Dobrica Pavlinušić's random unstructured stuff (Forum topics and our issues) 
• Dobrica Pavlinušić's random unstructured stuff (poor fit of laser cut parts) 
• Dobrica Pavlinušić's random unstructured stuff (bad bearings) 
• Dobrica Pavlinušić's random unstructured stuff (hot extruder motor) 
• Dobrica Pavlinušić's random unstructured stuff (z stop badly aligned) 
• Dobrica Pavlinušić's random unstructured stuff (bed leveling with ruler) 
• Dobrica Pavlinušić's random unstructured stuff (vertical rods issue) 
• Dobrica Pavlinušić's random unstructured stuff (Useful forum topics) 

Before printing
• level print bad using ruler
• calibrate extruder
M501 ‑ read settings from eeprom
extrude 6 * 5 mm
590 * 30 / 33 = 536
M92 E536
 M500
power cycle
M501 verify
Circle problems
This draws horizontal line instead of arc on our PrintrBot+
;G28 ; home all axes
G90 ; use absolute coordinates
G21 ; set units to millimeters

;G1 X61.628 Y34.350
G1 X58.424 Y32.410
G1 X54.886 Y31.118
G1 X51.195 Y30.536
G1 X47.418 Y30.669
G1 X43.512 Y31.608
G1 X40.118 Y33.186

M104 S0 ; turn off temperature
;G28 X0  ; home X axis
M84     ; disable motors

parts to print
http://www.thingiverse.com/dpavlin/favorites 
Printrbot + Upgrades X‑bridge, Extruder Mount, Y‑Clips...
• http://www.thingiverse.com/thing:31012 
• http://polakiumengineering.org/?p=1905  (including description and shop!)
FreeCAD models
• glass_holder.fcstd 
glass on printerbed
• screws and nuts: http://www.printrbottalk.com/forum/viewtopic.php?f=21&t=1614&p=12374&hilit=glass#p12350 
• printable glass clips: http://www.thingiverse.com/search?q=printrbot+glass&sa=Search 
• 3mm glass ‑ http://www.thingiverse.com/thing:24807 
• 4mm/3.75mm glass ‑ http://www.thingiverse.com/thing:25659 
• http://www.thingiverse.com/thing:22429 
• Easily Adjustable Printrbot Glass Clips http://www.thingiverse.com/thing:27269 
• Printrbot LC+ Heated Bed Clips Side & Front http://www.thingiverse.com/thing:26947 
• use existing outer holes http://www.thingiverse.com/thing:29658 
fan mount for printing ABS
http://www.thingiverse.com/thing:24545 
Z‑Axis Stabiliser Ends
• needs rod ‑ http://www.thingiverse.com/thing:23663 
• Top Joiner ‑ Plastic Cross Beam http://www.thingiverse.com/thing:33322 
• threaded rod ‑ http://www.thingiverse.com/thing:23038 
Y‑Axis
• Printrbot + y axis belt bracket tensioner http://www.thingiverse.com/thing:26213 
bad leveling
• Spring Loaded Bed Leveling System http://www.thingiverse.com/thing:27720 
• below printbed, requires modification to y belt
• Longer Y Axis Belt Clips http://www.thingiverse.com/thing:29496 
• Y Bar End w/ Nut Trap (10/20mm, 13mm y‑belt clip) http://www.thingiverse.com/thing:26840 
• Printrbot LC Plus Adjustable bed leveling nut lock http://www.thingiverse.com/thing:27395 
extruder
• Extruder Measurement Tool http://www.thingiverse.com/thing:29566 
• Short Printrbot extruder gear (fishbone) http://www.thingiverse.com/thing:28870 
• GoPro camera Nema 17 attachment http://www.thingiverse.com/thing:32646 
filament guide
• http://www.thingiverse.com/thing:24526 
• "Bearing" for Printrbot filament guide thingy http://www.thingiverse.com/thing:27634 
• http://www.thingiverse.com/thing:27574 
printrbot replacement parts
• PrintrPlate ‑ Printrbot Full Build Tray http://www.thingiverse.com/thing:30398 
• ExtrudrPlate http://www.thingiverse.com/thing:30787 
• Original Printrbot (abdrumm) http://www.thingiverse.com/thing:16990 
Forum topics and our issues
poor fit of laser cut parts
http://www.printrbottalk.com/forum/viewtopic.php?f=6&t=1052 
(solved with a little bit of force)
bad bearings
http://www.printrbottalk.com/forum/viewtopic.php?f=6&t=1383 
WIP: ordering replacement
hot extruder motor
http://www.printrbottalk.com/forum/viewtopic.php?f=15&t=1688 
WIP: print spur gears http://www.thingiverse.com/thing:26243 
z stop badly aligned
http://www.printrbottalk.com/forum/viewtopic.php?f=70&t=1711#p12886 
bed leveling with ruler
http://www.printrbottalk.com/forum/viewtopic.php?f=29&t=662 
vertical rods issue
http://www.printrbottalk.com/forum/viewtopic.php?f=6&t=1615 
WIP: print Printrbot LC+ Z‑nut Keeper http://www.thingiverse.com/thing:29608 
Useful forum topics
• PrintrBot parts http://www.printrbottalk.com/forum/viewtopic.php?f=72&t=418 
• Printing Surfaces http://www.printrbottalk.com/forum/viewtopic.php?f=16&t=453&p=12198