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Hey! This thing is still a Work in Progress. Files, instructions, and other stuff might change!

Cartoon Character Maker - Now with dualstrusion!

by sethmoser, published

Cartoon Character Maker - Now with dualstrusion! by sethmoser Mar 5, 2013

Description

This design is more or less identical to the parent, except that it allows dualstrusion for users who have a dualstrusion-capable printer. My code is still a little buggy, so keeping this separate from the main design for the time being. Enjoy!

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Fine, that was pretty easy... live :)
OK, thanks. Gives me something else to work on... along with a lot of commenting, as the code for this thing is completely undocumented presently :)

Did a quick test and it's actually working much better here vs. the bottle holder, as the design is not quite as prone to the zero thickness issue you described... so should have dual color up shortly!
The artifact you're seeing there is due to 0 thickness areas, not the use of color. When doing differences it's often best to provide a fudge factor to go beyond the face you're subtracting. For instance, picture 2 cubes of different sizes, one inside the other, but with one side sharing the same spot as the side of the other. That face will often have rendering artifacts both in OpenSCAD (F5 preview) and Customizer. Openscad will create a valid STL, but that CSG preview can be funky.

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Instructions

UPDATES!! Thanks everyone for the encouragement and the feedback - this new version has a variety of small bug fixes, some reordered parameters, and a few big enhancements:
-Facial hair! Now you can choose from a full beard, chin strap, goatee, stache, chops, or a soul patch.
-Eyebrows! Models without glasses no longer have to leave the eyes all alone and unexpressive.
-Custom hair length! You an now adjust the hair length for some hair styles at will
-Dualstrusion! If you have a 2-color printer, you can now create models with hair, facial hair, glasses, and eyebrows in an alternate color. NOTE: This is a little buggy/experimental, so I'm posting a child to this design with dualstrusion contained. This model does not contain dualstrusion.

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First of all, this is a complex model and performance is an issue - please try to only make one change at a time, as Customizer gets a little confused if you change multiple things at a time.

Please note that this thing is a work in progress - I've been working on it for a while, but if there's sufficient interest, I'll keep refining and would love some collaboration from the community! Outside of modifications, future improvements include new features in all categories as well as new categories like hats, accessories, and facial hair.

Instructions:

1. To make your custom character, start by making sure the resolution is set low - 5 to 8 - to improve rendering time.

2. With resolution set low, just work your way through each of the selections, starting with head shape and moving into the facial features.

3. You don't need to change the more advanced features towards the bottom, like sizes and placement of each feature, but you can use these to fine tune your model.

4. Once you're happy with your character, adjust the head tilt to make your model printable. I've had the best success with a 40 degree tilt to minimize overhang, but have had successful prints at lower angles like 20.

5. Lastly, increase the resolution to 15 - 25 and wait until the final rendering is complete. Save the STLs. Once all three have been generated, use "Dual1" and "Dual2" to print in 2 colors!

Thanks to Tony Buser for his valuable advices.
Even better! Protip: you can use openscad colors to color each part in customizer. ;)
Quick (hopefully) question - I tried doing this in a much simpler model, thing 57679, but the rendering looks strange. I turned it off for the "solid" part but if you switch the part parameter to Dual1 or Dual2, you can see these vestiges of color, almost like a shadow of a part that I eliminated via a difference.

Any suggestions on how to resolve? I'm hesitant to build color into the avatar until I can sort this one out, given the Avatar's complexity.

Thanks!
The artifact you're seeing there is due to 0 thickness areas, not the use of color. When doing differences it's often best to provide a fudge factor to go beyond the face you're subtracting. For instance, picture 2 cubes of different sizes, one inside the other, but with one side sharing the same spot as the side of the other. That face will often have rendering artifacts both in OpenSCAD (F5 preview) and Customizer. Openscad will create a valid STL, but that CSG preview can be funky.
Fine, that was pretty easy... live :)
OK, thanks. Gives me something else to work on... along with a lot of commenting, as the code for this thing is completely undocumented presently :)

Did a quick test and it's actually working much better here vs. the bottle holder, as the design is not quite as prone to the zero thickness issue you described... so should have dual color up shortly!
thanks Tony - that's an awesome add!
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