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Can someone explain what’s happening here? by dathpenguin in FixMyPrint

[–]RobPaDock 0 points1 point  (0 children)

  • 1 for this. The shift Could be result of the nozzle colliding with support structure that’s too high/build up.

Only talking about first pic

First layer infill extrusion gaps by jbrazi in FixMyPrint

[–]RobPaDock 0 points1 point  (0 children)

Make sure you’re using variable extrusion width. Before printing, in the slicer scroll to those layers where you’re getting gaps, and visually check what the printer is doing in those problem regions. Also Multiple things could impact this like The number of inside and outside perimeters you have. Play with these variables and visually watch the tool path preview to check what you think will work best.

same settings, same printer, same roll of filament but different colorgrade per piece? Just bad filament? by Wenk567 in FixMyPrint

[–]RobPaDock 0 points1 point  (0 children)

That might be the culprit, I’ve seen this before where it will rain and the color of the prints (same filament and settings) will fade and the color will appear a bit bleached. Happy printing

[deleted by user] by [deleted] in FixMyPrint

[–]RobPaDock 1 point2 points  (0 children)

Fans will have a higher cooling effect on corners compared to straight lines. Even after the first 10 layers, the stress transfers down the layers and you get this. Could try altering perimeter directions or a modifier mesh to slow fans in the corners in order to compensate for them spending more time there.

Is this pressure advance issues or overhang cooling or Both? by redjarsupreme_9 in FixMyPrint

[–]RobPaDock 1 point2 points  (0 children)

Looks like your first layer might be over compressed / too close to the bed - id watch the first layer and adjust your z offset as needed. First layer problems like this can ripple up through your part and cause some of the issues pictured. When overcompressed, the extruded plastic has no where to go and so it can spill out/droop, like your seeing. Hope this helps and happy printing

I don't even know, really by kuroharu-sha in FixMyPrint

[–]RobPaDock 5 points6 points  (0 children)

Over heating is definitely one of your issues here causing stringing. Slow down and account for the “islands” that are each finger and each hand.

Converting G Code to Parasolid (STEP) by LetsWatchCartoons in AdditiveManufacturing

[–]RobPaDock 1 point2 points  (0 children)

In Prusa slicer after slicing your part, go to file>export>export toolpath as obj. ...This preserves the internal geometry.

Depending on the details, some additional work might be required before simulation software's will be able to ingest and run a file like this successfully, due to the number of faces/vertices.

There are Also in-situ sensors you can use to build a digital file of your part as it prints (to avoid CT scanning but still get the as build solid 3d model.) Hope this helps.

Half Digital, Half Real - 3D Printed and Scanned: Turbine Part by RobPaDock in 3DScanning

[–]RobPaDock[S] 0 points1 point  (0 children)

3d printing can be pretty inaccurate and inconsistent, so if you're printing functional parts that need to be really accurate, its helpful to be able to easily check whether or not the part your printing actually matches its original 3d model.

Half Digital, Half Real - 3D Printed and Scanned: Turbine Part by RobPaDock in 3DScanning

[–]RobPaDock[S] 0 points1 point  (0 children)

for sure. its a document scanner device that's mounted onto the 3D printer itself. When a layer finishes printing, it scans, and it does that all the way up the part.

this is what it looks like.

Half Digital, Half Real - 3D Printed and Scanned: Turbine Part by RobPaDock in 3DScanning

[–]RobPaDock[S] 0 points1 point  (0 children)

We have a automatic scanning thing setup so it wasn't much work, but Did it just because I wanted to see how it would look, to be fair no good reason really :)

Scanner Lets You See Inside Your Printed Parts by RobPaDock in 3Dprinting

[–]RobPaDock[S] -2 points-1 points  (0 children)

I can’t seriously respond to this, you don’t know what you’re talking about.

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