Second version of my Skull that is easly printable in Vase mode Greatly improved compared to first version
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updated October 16, 2024

Description

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- Halloween decoration
- pot for a plant
- bowl for candies (with optional top cover)
- led lamp
- tealight cover (use bigger size model and not very hot candles)
- etc.

Easy and fast print

Original model size is 112x169x106mm (133mm high with top lid or in Full mode)
Real life skull size should be around 135-145% of this model
I made one print 150% and it look bigger than my head (wich is rather typical size)

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If you want to sell this model you can buy a commercial license here:
https://cults3d.com/en/3d-model/various/skull-v2-commercial-license

See my Halloween Collection for V1 version and other models
https://www.printables.com/@C47_3d/collections/810162

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Sculpted in Blender 3D
I've made some simplifications to this model like filling up holes and reducing some angles to be printable in Vase mode
So it's not anatomical correct model but it's much closer to it than my first version :)

Printed on Voron 0.1 with Devil Design's Silk Gold PLA
and JG Maker A1 with Devil Design's Galaxy Black PLA

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Video:
https://www.instagram.com/p/CxVHUEDtICn/

Video with bigger Skulls
https://www.instagram.com/p/CxaonOItD_R/

Render with V1 and V2 comparison
https://www.instagram.com/p/CxTiQxctXzE/

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Update 16 X 2024
Removed inner floting mesh ('holes') in both Skulls

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PRINTING TIPS

Use Vase mode (spiralize outer contour) for Skull Vase for best looking print
You can also print it in normal mode with few walls, no infill and no top layers if you want to make a stronger print (especially if you want a big print with not so big nozzle)

No supports needed

'FULL' model should be printed only in normal mode with top layers and some infill

On photos there is a 70% size model printed with 0.4mm nozzle and line width and 0.1mm layer height - I recommend to use highier line width (around 150% size of a nozzle), I just tested if there will be any holes in the print with such small lines
Bigger Skulls, 120% and 150% size printed with 1mm nozzle with 1,2 and 1,3mm line width and 0.5mm layer height

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TOP LID SETTINGS

I recommend to print it with no bottom layers - it will use less flament and will be lighter
Other options: 2 walls and some infill (I used 7% gyroid)
Set top layers depending on the layer height (the smaller the layer height the more should be top layers to print better) - I used 6 top layers with 0.1mm layer height and 70% model size

IMPORTANT
TO MAKE A TOP LID you will need to add two TOP models to your slicer
Skull-Vase_V2_TOP
Skull-Vase_V2_TOP-ADDON or Skull-Vase_V2_TOP-ADDON-with-PROTRUSION
Ignore model errors notifications! - models are with a non-printable rectangle to help you line up both models (just put them in the same position)

Skull-Vase_V2_TOP-ADDON-with-PROTRUSION is little thicker in some parts wich should help keeping top and vase parts together
It was not tested but should work better than simple TOP-ADDON
I recommend to try it, In the worst case you will just need to file down or cut off some plastic around

You can also print the ‘TOP’ model without ‘ADDON’ and glue in some kind of a hinge or piece of plastic ribbon etc.
Be creative :-)

The reason it is in two parts is that the ‘TOP-ADDON’ model can be easly modified depenging on the Skull Vase printing settings
The highier line width of Skull Vase the smaller this part should be to fit - you will need to use 'XY size compensation' (PrusaSlicer) or 'Horizontal expansion' (Cura) settings - see how to do it below

With 100% model size and 0.6mm line width (so for example 150% flow with 0.4mm nozzle) you don't need to change anything
But for example with the same size but 1mm line width you will need to set the TOP-ADDON 'XY comp.'/'Horizontal exp.' to -0.2mm

It's calculated by:
(*line-width* minus *the-gap*) divided by 2
The-gap is 0.6mm with 100% model size, 0.9mm with 150% etc.

Here is how to do it:
PrusaSlicer
Right-click on ‘TOP-ADDON’ model >>> Add setting >>> Advanced >>> XY Size Compensation

Additional recommended option
Right-click on ‘TOP-ADDON’ model >>> 'Layers and Perimeters'  >>> Set top layers to 0
Be sure to have 'Extra perimeters on overhangs' turned OFF!

Cura
Select ‘TOP-ADDON’ model >>> Click on 'Per model settings' icon on the left >>> Select settings >>> Select 'Horizontal expansion' and set it

Additional recommended option
Select ‘TOP-ADDON’ model >>> 'Per model settings' icon >>> Select settings >>> Select 'Top layers' and set it to 0

I recommend to print just a few layers first and test if it fits the Skull Vase
You can even pause the print (if you have printer that will move extruder to rest spot then) and try to put on the Skull Vase upside-down. If it will be too loose cancel the print or add some plastic to sides later (with glue or 3d pen), if parts doesn't fit you should cancel the print and change XY compensation setting or just use a file or sandpaper after the print to file down some plastic

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