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SoliForum - 3D Printing Community → Help/Repair/Maintenance → kisslicer not slicing properly?
hey guys i recently downloaded Kisslicer to try it out. ive seen i can get rid of some of the bumps that slicer put in my prints.
but when i tried to slice this .4mm calibration block it left half of it out!
slicer has no problem with slicing it and netfabb found no errors in the model....
any ideas on what it could be?
got the model from thingiverse
had that happen b4. like some odd part was open ended. try doing a default repair in Netfab anyway and export stl. that may find the little culprit. mine showed 1 error repaired. also if several changes are made to slicer profile restart RH b4 slicing with it incase some settings didnt update changes
i checked it with netfabb and it found no errors. so im not sure whatsup with that.
kisslicer also seems to give me much longer print times, sometimes twice as long, even with the same infill, speeds, and layer height
Can you post the calibration cube STL?
I found that sometimes netFabb says the model is perfect, but Kiss find problems in it anyway. Try turning on the mesh error flagging in Kiss, it will show the problems with different colors.
Go to "Help" tab, select "Mesh Error Key", then check the "Show this key if the model has any errors" checkbox at the bottom.
heres the file for the calibration cube
There's nothing wrong with this object. It slices just fine on my Kiss version. But I think I know the problem.
Your model walls are only .4mm thick. The standard extrusion out of a .35mm nozzle is .42mm, out of a 40mm nozzle, the extrusion width is .48mm.
In my case, the extrusion width was close enough to the model's wall width, that it generated the slice. If you're using a newer Solidoodle, with a .4mm nozzle, your Kiss setting for extrusion width is .48mm, and it's outside the slicers ability to generate a single wall.
Your model wall widths should never be smaller than the extrusion width.
So in this case, you have a few of options:
Thicken up the wall of the model
Use the model you have, but enlarge it (2x is good) so the walls get thicker
Change the extrusion width in Kiss to something like .4mm. The problem with this is that the extrusion is too thin for your printhead, and you'll end up with perimeter that don't join.
Good luck
hmmm okay ill try that.
So following the instructions on thingiverse for this object....
i had calibrated my printer for .4mm nozzle head to print this to .4mm wall thickness on Slic3r.
First i got my Esteps/min right. Then i had to take down my extrusion multiplier to .82 to get a .42mm wall thickness.
So if everything is right i should put my Extrusion multiplier back to 0 or within .1 range and get .48mm wall thickness?
i believe thats what i did get at first and i changed it to get closer to .4
thanks for the help!!
The better way to do a calibration cube is use a solid cube, then print with 0 infill so it only prints the perimeters. Set it to 1 perimeter and stop it before it gets to the top, unless you are using a slicer with Vase mode, like Kisslicer. Then if you have extrusion width set to .42 you should get .42 walls, if it is set to .48 you should get .48 walls. I like to set mine to 0 infill and 3 perimeters. If my extrusion width is set to .42, then I should see 1.26 walls. I feel like that is a better representation of an actual print. In addition to measuring with the caliper you can look at how well the perimeters are laid out, and see if they are bunched up with ridges (over-extrusion) or starting to get gaps in between (under-extrusion).
Instead of using the model you found on Thingy verse, do what Ian has suggested. IN case you don't have a modeling program, here is a simple model to calibrate your printer. It has both a cube and a cylinder.
The cube is 15x15x15mm. The cylinder is also 15mm tall, but it's 23mm diameter. If your printer makes good circles, you should be able to put a nickel in the hole, with very little room to spare.
Slice the model with 0% infill, 1 perimeter 2-3 layers bottom and 0 layers top. If you slice this with .1mm layers, you should get 149 layers (since your first layer is usually 2x the thickness. Your single perimeter walls should be the same thickness as your extrusion (.48mm).
Good luck, and post photos of your print.
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