Search found 746 matches

by robertw
Wed Aug 27, 2025 12:42 pm
Forum: Polyhedron Models
Topic: Cricut paper cutting machine
Replies: 15
Views: 107975

Re: Cricut paper cutting machine

Forgot to answer this bit. The new version will be a major release, so there'll be an upgrade price from the current version.
by robertw
Wed Aug 27, 2025 9:42 am
Forum: Polyhedron Models
Topic: Cricut paper cutting machine
Replies: 15
Views: 107975

Re: Cricut paper cutting machine

That's pretty much what the new feature I started will do. Exports SVG of the nets, with cuts, valley folds, and mountain folds in separate layers.

My Cricut has two tool holders, so cut with one and score with the other, but they're never quite aligned. I have a calibration method for that too ...
by robertw
Wed Aug 27, 2025 9:38 am
Forum: Stella Forum
Topic: Cell Diagram in print
Replies: 1
Views: 2090

Re: Cell Diagram in print

Weird, I can confirm that the cell diagram is partly off-screen in the full version too. I guess no one is printing cell diagrams! I'll try to fix it for the next version. Appears to be the only view with that issue.

Yep nets are distorted in the demo, except for a few, as it says in the message on ...
by robertw
Tue Aug 26, 2025 3:42 am
Forum: Stella Feature Requests
Topic: suggestions for improvement
Replies: 3
Views: 2749

Re: suggestions for improvement

(1) No, the sigle left-and-down button in the top right corner of the morph view. It's available on many views, and makes whatever's in that view the new base model.

https://i.postimg.cc/KR278TfQ/image.png

(4) "Poly->Add Model to Mirror Image" only applies to chiral polyhedra. Models that don't ...
by robertw
Sat Aug 23, 2025 4:55 am
Forum: Stella Feature Requests
Topic: suggestions for improvement
Replies: 3
Views: 2749

Re: suggestions for improvement

(1) You can use Stella's "Morph Duals by Truncation" view, adjust to the truncation you want, then use the left-and-down arrow button at the top of that view to make it the new base model. You can also use "Options->Set Dual Morphing Ratio" to set an exact point, but you'd need to work out where ...
by robertw
Sat Aug 23, 2025 4:40 am
Forum: Polyhedron Models
Topic: Cricut paper cutting machine
Replies: 15
Views: 107975

Re: Cricut paper cutting machine

Actually I've been back on Stella most of this year, trying to pull the next version together after more than 11 years. Getting there. The Cricut stuff is still a work in progress. Not sure if I'll get that finalised before the next release, but hopefully before too long.

Which Cricut do you have ...
by robertw
Tue Aug 12, 2025 4:02 am
Forum: Stella Feature Requests
Topic: Added a LOC of polyhedra and other
Replies: 4
Views: 14821

Re: Added a LOC of polyhedra and other

Oh OK. Yes there are two cases where it will use double tabs even if the overall setting is for single tabs.

(1) If there are multiple nets of the same type, it will use the same tabs on each. So if two such nets meet at an edge of the same type, it will have to put a tab on both of them. The ...
by robertw
Thu Aug 07, 2025 1:42 pm
Forum: Stella Feature Requests
Topic: Added a LOC of polyhedra and other
Replies: 4
Views: 14821

Re: Added a LOC of polyhedra and other

(1) I wasn't familiar with LOC. Reading about it, I don't get it. It says it's 1 for Platonic solids, but how? LOC = value / halforder. For icosahedron, halforder = 60. How does value also = 60? It's not the number of external faces, or sum of faces, verts and edges. It's double the number of edges ...
by robertw
Fri Aug 01, 2025 1:20 pm
Forum: Stella Forum
Topic: Stella on Numberphile
Replies: 0
Views: 23553

Stella on Numberphile

A new Numberphile video just went up about polyhedra. It uses Stella throughout and I got a mention along with Stella a bit after the 15 minute mark. After 1 day it's got 57000 views and almost 3000 likes! https://www.youtube.com/watch?v=BhSlqIe1CRQ

Good overview of polyhedra in general and then ...
by robertw
Fri Aug 01, 2025 4:58 am
Forum: Stella Feature Requests
Topic: edge stellation
Replies: 9
Views: 33982

Re: edge stellation

Not sure where Catalans would fit into the library though. They're not uniform, so couldn't go near the Archimedeans, which seems wrong. And didn't want to add stuff unnecessarily when you can already get all the Catalans by loading the Archimedeans.
by robertw
Wed Jul 30, 2025 4:04 pm
Forum: Stella Feature Requests
Topic: does stella do primary stellations correctly?
Replies: 3
Views: 13683

Re: does stella do primary stellations correctly?

I can see why you would think that, but I prefer the way it is now. You can already step through all the primary stellations easily enough, and that's what the criteria are for, and there won't be too many of them. I think it's good to still be able to manually select any stellation cell.
by robertw
Wed Jul 30, 2025 4:02 pm
Forum: Stella Feature Requests
Topic: edge stellation
Replies: 9
Views: 33982

Re: edge stellation

You could use the stellation diagram in combination with faceting mode to make any edge stellation, but would be up to you to make sure the result is indeed an edge stellation.

Beginners in polyhedra usually think stellation means augmentation, ie just adding spikes to faces.

Edge stellation would ...
by robertw
Sun Jul 27, 2025 2:07 pm
Forum: Stella Feature Requests
Topic: edge stellation
Replies: 9
Views: 33982

Re: edge stellation

Yes understood, and no Stella doesn't have direct support for that, but the edges of edge stellations would be subsets of the stellation diagram, so you'd still be able to make edge stellations whose faces lie in the same planes as the base polyhedron. And you could use faceting mode to make ones ...
by robertw
Sun Jul 27, 2025 2:01 pm
Forum: Stella Feature Requests
Topic: does stella do primary stellations correctly?
Replies: 3
Views: 13683

Re: does stella do primary stellations correctly?

Selecting a stellation criteria affects which stellations you see when using the up and down arrows to step through stellations. It does not, and is not intended to, change the stellation or cell diagrams themselves. You are still free to manually select any cells. Picking a criteria is only ...
by robertw
Tue Jul 22, 2025 5:55 am
Forum: Stella Feature Requests
Topic: edge stellation
Replies: 9
Views: 33982

Re: edge stellation

Ah, so if you're using Zome, or vZome, then you don't really care about faces, only edges. In that case it seems you can already create what you want using the Stellation View. Stellations in this case would be a superset of edge stellations (actually not sure this is true). You just need to select ...