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RetromanIE

Formfutura ABSpro print settings

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It depends on the colour. I find the natural white ABS pro gives a much better print quality and it is tolerant of fan cooling to a point. ABS Pro has a FANTASTIC sanding surface if you start with 180 paper and end off with 400. ABS pro is as good as the Ultimaker light blue PLA filament. I often sand items smooth and paint them.

Cover the front of the UM2 (cardboard). Partially cover top with wide strips of paper that have the edges folded for stiffness. It is not a fully enclosed volume and there is enough room for the head to move around. It is however more than enough to keep it toasty inside.

Don't use cardboard on top as you could crunch your head when the print stops if the card gets caught.

Cura settings:

0.4mm nozzle

I use hairspray to adhere the first layer, applied to cold (max 30ºC) glass only. Do not use Wolfbite with ABS Pro - it will end up ripping off large flakes of glass from the build plate (in my case: a 200mm x 50mm strip 0.5mm deep).

Bed 105ºC to 112ºC (I typically use the 112ºC. I seem to remember it goes plasticky at 90ºC).

I print at 22ºC ambient room temp with no windows open and no breeze

First layer 250ºC

The rest: 240ºC

Initial layer 0.2mm (I normally print a lot of detailed stuff with 0.1mm layers)

Initial layer line width 180

Travel 150

Bottom layer 30

Infill 60

Outer shell 40

Inner shell 40

Cooling fan: 0 for first 0.5mm

Then 25% to 40% of max fan speed for the rest.

In the past I've tried as high as 100% fan, but only use this for delicate objects. At 100% fan, layers delaminate for anything wider than about 8mm (solid) and will warp.

I can't remember the retraction settings. Maybe 3.95mm at a medium retraction speed?

Material flow on the printer set to 122%

Try 70% fan for bridging and down to 10mm/s head speed.

I often get excellent results using the above and have printed 10 or 12 spools of ABS pro. Settings will need tweaking if you are pausing to cool very narrow structures. If you are seeing black specks, head temp is too high.

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