3D printing : Vase Mode

[davidhk129]

Printer : Ender 3 with 32 bit v4.2.7 silent mobo.
Slicer : Cura 4.9
Settings : Vase Mode

 

[wafflejock]

Nice haven't posted here in a while but was just messing with polycarbonate for first time, examples above. It has to be printed hot!!! and no fan but does turn out pretty cool looking, just noticed we made same vase there

 

[Bannerman]

I love the rockets ! How tall are they ? And please tell us what happened to number two !

 

[wafflejock]

I love the rockets ! How tall are they ? And please tell us what happened to number two !

Hah thanks yah they are fun prints for sure and only like 45-50m with polycarb settings. These I was playing with temp and fan/cooling tuning to see if could avoid the melty tip but jacked fans to 100 on the one that failed and the temp dropped too quick so stopped extruding momentarily... Since was able to continue it printed the rest but a buddy tried to put them back together with a lighter, sn2 failure

 

[Bannerman]

I have been reading up on 3D printers as I intend to get one sometime. I think the problem at the tip is that in the small print area, the filament of each layer does not have sufficient time to cool and solidify before the next line comes round on top of it.

Is there a way to program a (perhaps progressively) slower printing speed for the top layers, so that each layer hardens adequately before the next layer weighs it down ?

Alternatively, could you print all the tips separately as one print (or with other items), so that each layer is allowed to cool before the next layer goes on top of it ?

 

[wafflejock]

I have been reading up on 3D printers as I intend to get one sometime. I think the problem at the tip is that in the small print area, the filament of each layer does not have sufficient time to cool and solidify before the next line comes round on top of it.

Is there a way to program a (perhaps progressively) slower printing speed for the top layers, so that each layer hardens adequately before the next layer weighs it down ?

Alternatively, could you print all the tips separately as one print (or with other items), so that each layer is allowed to cool before the next layer goes on top of it ?

Oh yah I mean this was just a for fun thing and to do some things with the polycarbonate filament but if needed the part to be solid can just print with more than one outer layer or like you said progressively ramping the part cooling fan speed up somewhat works, I did that for the ones here where the tip is less melted but with only one outer layer printed it is a balancing act for sure... The software that does the 'slicing' of models into layers is appropriately called a 'slicer', two popular ones are prusaslicer and cura if decide to dig in more I'm a big fan of prusa machines but if have some tinkering skills and knowledge of some electronics can also upgrade the creality ender 3 to be about on par for a bit less money.

 

[Bannerman]

Yes, I am planning to get the Prusa i3 MK3S kit. It has a good reputation, they seem to give good customer support, the upgradability is solid, and it will print a wide range of materials.