Then why bother printing?

@AnotherCGv Because a screw isn't a gear...

simple solution for such problems is actually modelling the axle hollow and then placing an infill yourself directly in cad - this way, the slicer thinks that the axle is not a solid but rather an "outside" surface

@@suit1337 Simple yes, but a bit tricky to execute.

takes a bit more filament but increase your infill to 85% or more. The added filets are also a must as you suggest!

You can also just fillet both the internal and external faces. Internal of the outer part and external of the interfacing part, give a tiny bit of clearance and call it a day.

​@@Mawyman2316 easy. I like it

@@glazedfaith It may not be easy. For complex geometry, complex gear assemblies and/or complex mechanisms, @ichbrauchmehrkaffee5785 gave the best solution, as it would take more time to fillet the internal and external faces, compared to just making a recess in the gears and fillet that. As a side note, doing both in simple geometries, mechanisms and gear assemblies, can actually increase the strength of the part, as you both introduce more rounded surfaces, as well as more surfaces in general, which increase the strength of your parts... given you apply it correctly. A good example of how more surfaces can increase the strength of a part, is looking at the shape of a trailer plate, which is bent in a somewhat odd shape. However, this shape is what gives the trailer its strength, as it's now a lot more capable of resisting forces from both the side and the top, than a flat piece of metal, all done by just bending the piece, adding more surfaces. If this sort of stuff interests you, I suggest looking into mechanical engineering and material science. It sounds complex, but the basics are easy to understand and apply, as seen in both this video and in this comment section

It's not a rule. Those are just tips you may take into account and implement if the model allows it :D

Hmm I wonder if instead having a curved recess into the part would acheive the same effect while lending the desired clearance.

@@jero37 Yeah I was thinking something like that too.

@@jero37 yup. Its called an undercut and is used all the time

If that’s the case I just make an undercut. I usually just subtract a small cilinder

Here's my life story, what I printed, why I printed, the problems I had, a built in ad, more exposition, the solution, a recap, a begging for likes and subscribes, and finally an outro with animations and loud music

Can you expand on this? What was the problem and how did tilting the gear solve the problem. Much appreciated

Printing at an angle was better because no lines in any of the axes which would be stressed when using the part?

@@markortiz1506 The gears are subjected to vertical and horizontal forces, so rotating the model allowed the force to be split and the transitions smooth. The problem was the gear in the toy for my godson

@@xitalianm Exactly as you're saying

yes

Thank you Bob!

At least not in Cura Slicer

Don't you know how to use periods in your sentences? Or are you just talking fast?

What xD

Fusion 360

@Mircea Croitor thanks. Way back I learned some 3D modeling of Autodesk Inventor. This Fusion is the software that seems to keep coming up as the one to learn and tye interface there looks a good bit like what I remember from Inventor.

I partially disagree. There's strong enough for its originally intended purpose and then there's strong enough to be capable of doing whatever the person printing it, wants it to do. The latter is crucial for publicly released designs, as overengineering will save on material used in the long run, compared to "just strong enough", which will see more parts breaking, resulting in far more wasted filament. Furthermore, making durable parts doesn't have to be done with 6 cm thick walls. It can be done by clever use of geometry, specifically triangles and circles. Use those shapes properly and it's possible to design really strong prints, while simultaneously saving on material