Mesh Problem

[François Audiffren]

I’m currently at lesson 4 “creating the cartridge” and I realized I’ve got mesh problems. I don’t understand where it comes from nor how can I fix it. Visually speaking, I see some edges but they don’t link to any vertices. 

[Martin Bergwerf]

Hi Francois @Scaldee ,

That sounds like it’s just a visualisation of the Bevel Modifier. Something like:

This is not a problem with your Mesh!

Switch to Solid Mode or disable the Bevel Modifier in Edit Mode to see if it goes away.

If you’re still thinking something is wrong, please post a Screenshot of the issue.

[François Audiffren]

Sorry I wanted to post screenshots in my initial message but the website wouldn’t let me for some reason. 

[Martin Bergwerf]

Yes, when you ask a question directly under a Lesson, the first post doesn’t accept images (this is a known bug, it will be fixed at some point).

So this was not the problem I thought. It is caused by the Bevel Modifier…

Check your Mesh for Double Vertices and make your Normals consistent (just in case).

So: A (to Select all) then M > Merge > By Distance, followed by SHIFT+N.

Maybe that doesn’t fix everything, but we’ll have a better starting point to troubleshoot, if necessary.

[François Audiffren]

Hi ! Thanks for the answer.

Merging all vertices helped a little, I feel like it’s a bit more clean. However the area I showed in the screenshots is still a bit messy. clearly caused by the bevel modifier I think, when I activate / deactivate the realtime display in the viewport, I can see that the bevel is the problem. I wonder if maybe I accidentally applied the bevel weight to a vertex and / or an edge earlier in the process, and now that i’m trying to add weight again in this area it creates a problem.

[François Audiffren]

Here are both sides, unbevelled and bevelled

[Martin Bergwerf]

HI Francois @Scaldee ,

This:

looks like inconsistent Normals to me (SHIFT+N with everything Selected should fix that).

[Adrian Bellworthy]

Hey @Scaldee
Looks like you may still have some double vertices, try selecting a vertex where the issue is and move it with G to see if there is another vertex left behind.

Also select the edge where the issue is and check the Mean Bevel Weight under Edges Data is set to 1. It is quite common to mistakenly set the Mean Bevel Weight under Vertices Data by mistake.

Top Tip: 
When using edge tools (tools found in the edge dropdown menu), I like to use edge select mode. Sometimes when selecting vertices some unwanted edges may be selected, and it is easy to miss a vertex too.

[Omar Domenech]

Just a note, remember that Press Start is not super beginner friendly, it’s actually a bit complex. You can always go to the Basics course and the Fundamentals to really get modeling from the very start.

Blender Basics:

https://cgcookie.com/courses/blender-basics-an-introduction-to-blender-4-x

Fundamentals:

https://cgcookie.com/courses/fundamentals-of-3d-mesh-modeling-in-blender

Bootcamp:

https://cgcookie.com/courses/blender-mesh-modeling-bootcamp

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