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CG Python Academy (Free)

1.1k members • Free

31 contributions to CG Python Academy (Free)
Where to start? Python or Blender?
Should I Learn Python before embarking on my journey here?
1 like • 16d
Welcome Keith Alan. Of course where to start depends on your own interests. Learning both Blender and python together can be a perfectly good way to find out. The easiest way forward hen may be to start in the 'Classroom' tab's, 'Start Here' section. If you've got any special interests, feel free to share them so others here might provide some useful advice, I started learning Python from a free MIT Computer Science Python Course I found on youtube a few years ago. But since Blender's got all kinds of special ways to do things Blender's still new and complicated to me.
Struggles in duplicating an object with a Follow Path constraint
In my short film about fungi, I need lots of spores randomly floating around the scene. So I made one original spore with a Follow Path constraint targeting a Bezier curve. This would allow it to be animated using the Offset Factor in the constraint panel. I thought I’d then make copies by writing a script to duplicate the original spore. Not so easy! It took forever to get it right. One each try, the spore copy was displaced somewhere on the screen and not lined up at the start of the curve copy as it should be. This is what I had to do (also documented in the script file): Steps: 1. Select the spore and flight path for duplication 2. Duplicate the spore and flight path objects 3. Disable the Follow Path constraint 4. Centre copied spores at world origin (0, 0, 0) 5. Move the duplicates to a new location 6. Enable the Follow Path constraint on the copied spore I’ve attached the blend file and the python script. The spores are now ready for animation. Next step - maybe I’ll try to animate using a script. I’m using Blender 4.5.
Struggles in duplicating an object with a Follow Path constraint
0 likes • 27d
Hi David, I believe the period between 'flying' and 'spore' gives the blend file a bad name(?).
December Mini-Project Challenge - Make a Charge field Tornado
I asked ChatGPT to provide a Charge field description of a Tornado.ChatGPT did so. After which ChatGPT wrote. If you’d like, I can also give you: * A **diagram-style explanation** * A **side-by-side comparison** of Mathis vs mainstream tornado formation * A **step-by-step animation logic** for Blender, if you want to model a tornado using his charge-field ideas Me, An excellent suggestion, I agreed to a Blender python tornado model, understood to be charge-field inspired motions and not true charge field physics. I've been working with it over the last week. The animation works, at least on my machine, but the particles are still moving too fast to track.
December Mini-Project Challenge - Make a Charge field Tornado
1 like • 27d
Turns out, Tornadoes are way too complicated for me to model at this time. The motion of the vertical array of 20+ spinning rings was nice enough, but it did not make any legitimate charge field sense. Better to try learning Blender particle systems by converting it into a project containing a half dozen or more particle systems. Unfortunately, this special December project will definitely take another month or more to finish, I think its a good start. The hdri section still woks. Descriptions are in the files.
0 likes • 27d
Happy New Year!
Introduce Yourself
Make sure to create an Introduction post. 🥳 I would love to say hello! 👋 I created an introduction template post for you if you need some help https://docs.google.com/document/d/1NL4RUnbrlplwKCTnrdos3IgyJbTMmO_EcLD6QmegG8w/edit?usp=sharing
Introduce Yourself
0 likes • Dec '25
Gute stuff Kai. Wish my grandkids, who have enjoyed a 3D printer, could do anywhere near half as well. The ghost is perfect. Hi
0 likes • Dec '25
@Kai Konnarth Yikes, thanks for the friendly warning. They do like their printer, I'll share your message with them.
December mini-project - make a fungus
I’m working on a film about microorganisms such as fungi and bacteria. The underground portion of a fungus is composed of hyphae which are single strands of connected cells. A large grouping of hyphae is called a mycelium. The first image is of a mycelial mat that I did in Blender with no coding. But just for the fun of it, I tried to reproduce this entirely in code. Full disclosure – I had some help from VS Code Copilot AI. The Blend file is attached along with a screenshot of the results. Cool things left to do with a script: taper the ends of each hyphal strand and create septae (cross walls) to divide the hyphae into distinct cells. Just run the script to generate the sidebar operator and make some fungus!
December mini-project - make a fungus
0 likes • Dec '25
Hi David, nothing shows with my Blender 4.4.3. I guess I need to download 4.5 first.
1 like • Dec '25
@David Ehret What a relief, I found the Hyphae UI and fungi . The script looks quite complicated, a good learning opportunity, I'll try making some sense of it.
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Robert McBride
4
29points to level up
@robert-mcbride-3171
Retiree, new to Blender

Active 16h ago
Joined Apr 2, 2025
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