I haz fusion question

[Spider!]

When drawing a part on Fusion 360 that has lots of features, I often get to a point where many operations of fillet, chamfer or complex extrusion start giving me trouble about not being able to compute. I admit I save most fillets and small features for the end.

I used to think this was only because I didn't get a snap correctly to a point somewhere, but that's not all of it. Is it just a matter of too many intersections, or does it get rounding errors after some amount of fiddling around of the same entities? It's particularly bad when finishing swept or revolved faces, like the surface reference has become disconnected, even though there are no (apparent) face problems.

Do you get this? Should I try to do things in a different order? I tried moving a particular fillet to a sketch, but that didn't buy me much. I finally got pissed and put the project in Blender and smoothed the edges by hand.

[devilzcall]

Fusions fillet tool sometimes feels a bit erratic. My most basic recommendation is to order your features from your biggest radii to the smallest. If a particular intersection of lines is giving you trouble, you can also cut it open in surface mode, chamfer the edges going into it and fix it up afterwards.

If you have a file or pictures, I could give you more specific recommendations.

[Spider!]

Yeah, I forget to try surface mode on scratch started models, thanks. I do keep the little ones for last, which is where I hit problems, often with polyline surfaces. I'll get a pic of my latest culprit.

[Rainmaker]

Yeah, I get issues with filleting too, similar to how you described. I noticed it is most prevalent when the lines going into a point are not tangent, or have different radii (not sure I'm describing this well). Also, if any edge is particularly short, it will not fillet more than the length of that edge. sometimes when I zoom way in, I'll find that there is some random short edge in the chain i'm trying to fillet, and that's what's keeping it from working. I'll also find that there is a certain threashold of fillet size where I get the error, and I try to find it just by trial and error, starting really small fillet like 0.01", then 0.02", on up until I get the error. If I get a nice enough fillet this way, I won't try to go back and fix the edges. Sometimes it's a stupid small difference. Like I really WANTED a 0.25" fillet, and through trial and error I can get it up to a 0.247" fillet... whatever, good enough.

[Spider!]

Yes, that is what I get into.

Let's see if my phone can get through this. The top and bottom corner-edges on the right are treated with some of those tiny fillets. The finger groves are treated with tiny fillets as well. The grip on the left was run through Blender and sculpted as little and as clean as I could do it.

The fillets on the right were as large as I could get them (with three decimals that is).

[devilzcall]

Your issue might also be the fillets converging at the front of the finger ribs, in which case I'd recommend you cut those off in the surface tab, fillet your edges and use the patch tool to bring them back. If you'd be willing to provide a source file I'd be happy to demostrate.

[Spider!]

Your issue might also be the fillets converging at the front of the finger ribs, in which case I'd recommend you cut those off in the surface tab, fillet your edges and use the patch tool to bring them back. If you'd be willing to provide a source file I'd be happy to demostrate.

Yeah, those are a problem also. I'll do the surface thing. I've watched the video before and I will learn better by doing it myself, even if it takes several tries. I need to learn it. I can't plan every fillet.

I didn't think of using the fillet tool in the surfacing tab. Thanks!