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HOME/FORUMS/TECHNICAL TALK

DAZ: Large-area GeoGrafts and the " Fit-To " Dilemma (CLOSED)

eye419
Pushee-RiFri, Sep 12, 2025
Karma: 52,920
GeoGrafts are a great way to give your models horns, animal tails, nipples, or anything else you want to add below the waist. It usually looks good...

...and that's because:

* the areas to be replaced are very small

and/or

* there are hardly any bones or morphs in those areas


However, if the GeoGrafts are larger or are built for areas where there is a lot of bones and even more morphs (such as the head), the " Fit-To " trap automatically kicks in:

While a large graft works perfectly for the base model you are creating it for, depending on the type of mesh you use for the graft, jagged tears, distortions, and glitches may occur when using other models. These glitches are caused by the " Fit-To " mechanism that DAZ uses to adjust clothing, but also GeoGrafts, to the respective model. And since the mesh of the GeoGraft has a different structure than the part of the model it is supposed to replace, the vertices of the graft are moved arbitrarily.

Does that mean large-scale GeoGrafts are not possible?

No, it doesn't smile 
There are two approaches I would like to introduce to you.

The EMOTIONLESS approach

One of the most fascinating products of recent years is (in my opinion) EMOTIONLESS by Color Galeria (DAZ). Both frightening and tragically attractive, this product circumvents the " Fit-to " dilemma by adapting the GeoGraft for two character morphs created specifically for this purpose.

Incidentally, EMOTIONLESS has a double meaning in this case: firstly, it refers to appearance, and secondly, it is a reminder not to use any (extreme) facial expressions.


The BASIS approach

If you don't feel like creating a separate character morph for each GeoGraft, there is an easier way: create the graft for the base model... and instruct your users to only use the base model smile

For example, a face GeoGraft that covers or removes large parts of the face does not require a specific face/ head morph  - neither Victoria, Michael, nor Pipi Pepperminta. The only thing you need to do is make users aware of this fact. See my project description here:
https://www.renderhub.com/pushee-ri/pao-insights-anatomical-geograft-for-genesis-9


Happy geografting smile



Pushee-RiSat, Sep 13, 2025
Karma: 52,920
It's a kind of magic (FROM HELL!)

Yesterday, I still thought I was on the right track - today, I had to put my DAZ fool's cap back on. Well  . . . at least it keeps my head nice and warm wink

So, what I described above (using the base head and only the body morph) still applies. See here:
https://www.renderhub.com/gallery/75302/busty-selfie

But what still doesn't work is creating a GeoGraft for the chest area to finally, finally, finally solve the dilemma of ladies with large bust sizes and tight-fitting clothing.

My approach: to create a GeoGraft for Genesis 9 Female Base and then add a few morphs to it so that it can be used as a kind of " Sub Garment GeoGraft ". Well ...

The first hurdle was rigging (transfer tool). Nothing worked with the normal settings because the GeoGraft was sucked into the model's body after applying " Fit To " (everything looked fine before). So I tried everything possible until it looked reasonably good (set Source to Morph, etc.). 

And then came the big moment: I reloaded the model and GeoGraft, added a little 3D clothing ... and the satanic forces of the DAZ universe struck:

Forum Image

Beautiful MisfitsSun, Sep 14, 2025
Karma: 15,435
Gen 9, I've seen this problem on many items, shirts, dresses everything for the top.
because this stupid androgyn G9 is build that way.

There's a reason why I still prefer G8 emote
Pushee-Ri
Karma: 52,920
Sun, Sep 14, 2025
At first, I suspected that the error might be my fault and that I had done something wrong (that's how I usually approach problems). But then I remembered a comment by Luxe Muse about " Built-in Breasts ". At the time, I thought it meant poor mesh topography.

Anyway, this morning I quickly built a G9F character morph without bust size, saved it, and then tested it with various tops ... by all the gods, what a dilemma!
Pushee-Ri
Karma: 52,920
Mon, Sep 15, 2025
I just tested it with a quick GeoGraft for GF8: currently the same game frown
Pushee-Ri
Karma: 52,920
Mon, Sep 15, 2025
So it seems that the only real way to deal with the problem of large bust sizes and the annoying bunching of fabric under the breasts is to use models with SGM (Sub Garment Morphs) ... at least if you want something that works universally.
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