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Waste Crawler

by dutchmogul, published

Waste Crawler by dutchmogul Jan 5, 2013

Description

Creature for a scifi setting I'm currently developing, printed in 15mm scale (as shown with the excellent Khurasan models).

Working on ways to get the detail to come in and reduce the extrusion lines. Considering a .5 layer height...

Model was designed in Sculptris and TinkerCAD.

tinkercad.com/things/kp6iFaSVc5b-waste-crawler-multiverse15mm

Recent Comments

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Absolutely! And I'll see what the difference is once painted as well.
Awesome! I can't wait to see what you do with this! Could you post some before/after pictures of how it turns out?
Dude, you have been EXTREMELY helpful. As one who's not technically minded, this is exactly the kind of help I need. I'm going to go and do this now...

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Instructions

Printed in ABS with 100% infill, a ,10 layer height and with extruder/plate temps of 230/110.
I think your best bet for reducing extrusion lines is to increase your shells and solid layers and then sand very slightly. Although doubling the layer resolution from 0.1 down to 0.05 does look better, the extrusion lines are always more prominent with curved surfaces.
Right, that makes sense. I hadn't considered more shells, figuring that wouldn't matter because he was 100% infill, but it could, huh? Also, I'm considering putting him in the oven at a temp just below glassing.
Shells can help even with 100% infill because, unless you change the default settings, the outermost shell is drawn last, making it a lot smoother. But, shells are really most useful when you've got a low infill. I've printed many of your other models at 10-15% infill with 1-2 shells and 8 surface layers. The result has been nice looking models that are shockingly light.
Oh, no kidding? I do a lot of mine at 10% infill with 2 shells, but how do you go about adding extra surface layers?
I should really do a blog post on this... :)

So, ideally the thickness of "surface layers" would automatically reflect the same thickness caused by the exterior path + the number of shells. However, this is not the case.

In order to change the number of surface layers, you need to actually edit the printing profile. To do this in RepG:

1. GCode ->Edit Slicing Profiles
2. Select a profile and click "Edit"
3. Fill -> Solid Surface Thickness (layers)
4. Enter an integer and "Save All"

I believe the stock Replicator profile has the "Solid Surface Thickness (layers)" set to 2. This is fine when the layer thickness is 0.27 mm (resulting in a top or bottom layer thickness of 0.54 mm. But, if you're printing at 0.05 mm/layer your top/bottom layer would literally be paper thin. When the top layer is that thin, it's easy for the extruder to cause holes in the top-most layer.

I keep three Replicator profiles labeled by the number of solid layers so I can choose the best one to match my printing resolution. These three profiles are at 2 layers, 5 layers, and 8 layers. That way I don't have to go and edit the profiles each time I change my layer resolution.
Dude, you have been EXTREMELY helpful. As one who's not technically minded, this is exactly the kind of help I need. I'm going to go and do this now...
Awesome! I can't wait to see what you do with this! Could you post some before/after pictures of how it turns out?
Absolutely! And I'll see what the difference is once painted as well.
Something about this one bugs me!
Haha, ouch... thanks ;-)
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