Advent Makerbot Replicator 2 no Support needed Day 12
by RichRap, published
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Great, glad you got it printed. I use hop (lift in Slic3r) all the time on all my machines now, I have yet to find a situation where it's not a good thing.
SkeinForge. I finally got it working after having problems with jamming which probably was not the fault of the slicer. I have just recently started doing PLA so I didn't fully understand what was happening. with my newly generated slicer profile. I finally got it to work at 90 mm/sec, 20% fill, The key thing for me, I think, was enabling "hop" -- without it, the rods and the front-top side of the chassis were deflecting with the nozzle, and was also catching oozed plastic at the wrong place.
My Slic3r 0.9.1 settings for this model were -
; generated by Slic3r 0.9.1 on 2012-12-11 at 17:21:06
; MendelMax Black Machine
; First layer is forced to be the same as the rest at 0.47mm - nozzle is 0.42mm for 0.5mm Jhead
; layer_height = 0.25
; perimeters = 2
; solid_layers = 3
; fill_density = 0.20
; perimeter_speed = 55
; infill_speed = 65
; travel_speed = 350
; scale = 1
; nozzle_diameter = 0.42
; filament_diameter = 2.86
; extrusion_multiplier = 1
; single wall width = 0.59mm
; first layer single wall width = 0.47mm
You really need to use a fan if printing this as any reasonable speed as above.
And if you are using Slic3r V 0.9.7 then remember the solid infill threshold area setting, it may be trying to over extrude on those tiny 'towers' if you have it set too high
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It prints out on it's side, no support is required.
Still looks good even with a few minor mods to remove the need for support material.
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