Splines are overrated.. master sketch constraints instead! | Viewer Request #2 | Fusion 360 Tutorial
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- เผยแพร่เมื่อ 7 ส.ค. 2021
- In this video we cover the reasons i never use splines in almost any of my designs, and instead focus on the standard tools and constraints to fully define sketches in Autodesk Fusion 360. We also create a nice bushcraft knife with a detailed filigree emboss using control point splines.
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Thank you for the effort in making this video. This is definitely one of the more skilled sketch presentations I have seen. I do agree that we should try to use arcs whenever possible.
The emboss did not work at 41:53 because the surface you created had curvature in 2 directions. Fusion has a limitation when it comes to embossing on this type of surface. It was the result of sweeping an arc along another arc (along the back of the handle). If the back of the handle is a straight line, you would have been able to perform the emboss.
Thank you for the tip! That makes a lot of sense why I couldn't get it to work.
And thank you for the kind words! I've learned a ton from your videos, particularly on tricky sketches like intersection curve and the surface workspace in general. If you aren't aware, I gave you a shout out on one of my headstock transition videos. Keep up the good work mate!
@@austinshaner Oh, I was not aware at all. I had put your headstock videos into my "watch later" list but have not gotten to them yet. Thanks for the shoutout!
@@Fusion360School My pleasure!
haha...2 excellent fusion channels talking...
Thank you for this! Splines have been driving me crazy because I couldn't figure out how to constrain the green lines that control the curve 😅. This makes so much sense, and combining this logic with user parameters I can make curved sketches without having to use symmetry constraints. Thank you!!!
I'm very new to Fusion and have watched a tonne of tutorials but I can't recommend this channel enough. Nearly every time I've hit a hurdle, I've found the best presented solution here. Brilliant.
I often time have issues trying to use basic constraints, and usually halfway through a design, when I want to edit something It , I can’t because I haven’t truly grasped the concept of constraints , when to use them, why to use them. But one day I’ll learn! Looks like you got some really valuable information , so I’m glad I found this
Amazing tutorial, totally underrated - this should have 10x the views for the quality and clarity of info it gives. Thanks!!!
After weeks of tutorials and official Fusion learning this video answers more questions than everything I have done before it! Many thanks and please keep making more :)
Great video. This is the second video of yours I've watched and I enjoy finding out new ways to do the things I've been doing the same way (sometimes incorrectly) for a while now. Great content! As for your logo embossing, I find using something like Inkskape to convert a drawing like that into an .SVG is helpful. It converts to lines automatically and then all you do is insert it into your sketch which usually works well. Sometimes this is easier on some highly detailed designs. Your use of the control point spline is something I wish I knew earlier because it would have saved me a lot of time and frustration!
Brilliant! You have a natural talent of being very educational in your videos. Calm, easy to understand, and a pacing that feels just right. Learning so much from your videos!
IMO you are making the best content around for what I am interested in. You not only know what you're doing, but are an amazing teacher!
👏
Didn't even make it to the end of the video but had to stop and say this is an excellent tutorial, especially learned from the control point spline, I wish fusion had a function to deform a line segment into an arc, even Bobcad has that. Thanks for posting!
Have been doing fusion for about a year and consider myself pretty good, but this video helped me in so many ways. Thank you so much !!! Really appreciate this video.
Thank you for giving me some context!! Actually teaching thanks so much!
Great video. You've got a new sub here. And the fact one of my favorite channels compliment your efforts says a lot. Been binging Fusion 360 School for a while now and I will now add your channel to my learning library.
Thanks for watching man! And welcome!
Fantastic! Thank you.
Another great video. I've watched a few videos on constraints and this was by far the best. Thanks!
Hey Austin! thanks again for this incredible and useful tutorial, I would like to see you explaining rendering guitars in fusion. You manage renders in Fusion extremely fantastic. Thanks.
Thanks for all your efforts! Really nice video in all points.
I find splines very useful. It's a matter of using only the spline points needed and constrain them
I find splines incredibly useful as well! They are a great tool! I just wanted to make the case for why they shouldn't be your go to solution for everything, particularly when you need specific dimensions or tolerances for manufacturing.
I agree with you on that
Awesome lesson!
Thanks man, very useful!!
Learned a lot from this, thank you 👍Gotta rewatch it a couple more times
Any chance you’ll dive into surface design and forms in a similar fashion?
Bad ass dude! Very helpful vid my man! Appreciate your time!!
Thanks, Austin!
Thank you for the excellent video suggestion!
super great job
excellent
Great video / Great information
Another great video - thanks. I'm just wondering, if you were tracing a guitar body from a canvas (printed plan or photo), would you attempt to do it without splines? It seems like some shapes would be difficult to impossible to trace using only arcs.
It depends... if someone hands me a napkin sketch with no dimensions or just a rough outline of what they were envisioning, definitely splines.
If i was working off of a detailed blueprint I'd almost certainly attempt arcs to nail the tolerances perfectly, up until there are shapes that simple arcs can't solve.
I love this concept, but when trying to create something artistic or stylized this seems like it could be challenging, when coming up with your concepts, have you tried drawing originally in illustrator or possibly a sketch and using it as a guide to use this formula?
why do you use sweep instead of extrude to cut the profile of the handle? I understand for the bevel having to follow the path.
Awesome man! For guitars outline contours, would you use splines or constraints?
Thanks! I generally don't use splines because I'm building my own designs. However, often if I'm working off someone else's designs and there aren't good dimensions to work from, I'll use control point splines to trace the body. But making sure that anything that has critical dimensions or tolerances, such as the fretboard/neck pocket etc. Are done with arcs/lines.
Can you name lines? Like if I had 4 lines on top of each other… to tell them apart?
Great video, so when I fix them they turn green not black. I am guessing that is okay?
Hey MR! Fix/unfix (green) is different than fully defined (black). You can think of fix/unfix as locking the geometry so it can no longer be edited or accidentally moved around. This should really only be reserved for complex splines that would be too difficult or time consuming to constrain, or to prevent accidental changes down the road. Note, geometry that is fixed will not update when you change other things in the design, you'll need to go back, unfix it, change, then refix it.
Black means that the shape is fully defined, or rather that you've provided enough constraints and dimensions to make the shape lock itself. Until the constraints or dimensions have changed.
So in summary, one is saying "I don't care about the dimensions, I just don't want you to move" and the other is saying "I can't move, because you care about the dimensions"
@@austinshaner Actually it should be: "...and the other is saying "You can't move, because I care about the dimensions." Right?
31:55 Can you clarify on how to get onto that plane / project. Thanks!
If you noticed, once i clicked sketch, the primary origin planes in the model appeared. I simply used one of those planes by clicking on it. (no separate planes required).
Then I selected the geometry that I wanted to project and click "P" on the keyboard, and enter. That brings that geometry into my current sketch so I can use it.
Austin do you provide 1 on 1 service?
Unfortunately right now I do not. But I am very active on Discord if you'd like to ask questions or get help from myself or other viewers!
Using splines with constrained points, as one example, can work magic,... give it a try before selling the spline function short,... it's been my experience that most people don't use the spline function to its full potential or are even aware of what can be accomplished using it,... there are things you can do with splines that you can't do with anything else,... it's the reason they still exist as functionality in every CAD platform for the last 50 years.
Hey Mate, I've since come around a bit on splines since I released this video. I've started to love control point splines, but still quite dislike fit point splines in Fusion. I made another video showing some really effective way to define CS splines. if you're interested.
th-cam.com/video/iDzxndSBook/w-d-xo.htmlsi=-F_lu1lmGXRE518K
I'm missing something here: using splines and having fully defined sketches are not mutually exclusive. No need to limit yourself to lines and arcs if you know how to properly constrain a spline.
Not missing anything, I agree that you can fully define splines, but the point was that you can rarely define them with dimensions that are actually relevant to your model unless you know how to calculate the math for bezier curves. Splines are fantastic, but not particularly useful for anything dimensionally critical, and too many people use splines simply because they get frustrated with the standard tools.
That being said, check out my "Mastering Neck Profiles" video, where I break down how to fully define Control Point Splines with very useful (and relevant) dimensions. That was a follow up to this video.