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Hi Lars! To get rid of triangles on plain faces I usually just choose one of them and hit delete (And If that doesn't fix it, I'll delete another triangle, until it becames one face) . Fusion repairs it to one face without triangles in 95% of the cases :) Keep up the good work!

Another easy way to take flat faces (non-radius faces) and get rid of the triangles is to: You can do this after you have converted your mesh file into a BREP. While the design history is turned off, go into the PATCH workspace. Click on MODIFY, MERGE. Click on the SELECT CHAIN option in the pop-up window and then click on a face. Once you hit OK give Fusion a little bit and it will take all those triangles that make up a flat side and combine them together. This won't work on any radius or curved areas but you can do what Lars did to help with those problems.

Once again, another great video. I'm learning fusion 360 to model my own stuff to 3d print. I'm going through a few of your videos a week. Really appreciate your efforts.

Thank you for this video! I have been struggling with resizing some holes in an STL file and I think you have just solved my problem. I can't understand why someone would complain about your videos. You have taken your time and experience to help others, if they don't like it then go away or make your own videos.

Just found you @lars and I have been binging hard on your vids. Great content my man. Thanks a bunch.

Life saver Lars! Thanks so much. Your videos are always CRYSTAL clear. I had this exact problem and your solution saved me about a day!

Well, this is not that easy or ‘quick’ but I really appreciate the video. I have been 3D printing for years and have gotten by using tinkercad to knock up my own designs or crudely modify imported STLs. I am trying to move to fusion360 so that I can create more complex objects but it’s a really tough transition - even aligning two objects (super easy in tinkercad) is proving difficult.. This video is really helpful and introduces tools I had no idea existed. I’ll probably have to watch this 3-4 times before the technique becomes second nature. Thanks for taking the time. Ignore the negative comments I don’t think those people are the intended target for this.

Thank you for this video, it definitely helped me to get started! Successfully modified a bunch of STLs like this that printed perfectly afterwards.

With your videos my learning curve will shrink drastically. Thank you.

Thanks for putting in the effort to make very informative content Lars. I find it odd so many comments are upset by the run-time and apparently offended by the "dismissal" of thingiverse... Any time a man with your level of expertise is willing to share some of it, only a fool would complain! Learning a lot and looking forward to more great direction.

This is a great channel and such a big help for me being new to fusion 360, thanks for the detailed videos :)

Excellent video! Very practical and straight to the point. Thank you!

Thanks Lars! I've watched a number of your vids and they have helped me get into Fusion 360 (from some university Solidworks training many years ago). Very useful techniques for when creating the model from scratch is too painful :)

Thanks a lot for this tutorial Lars :D If like me you don't have "Convert to Brep" by right clicking the model, just go to "Modify > Mesh > Mesh to Brep". Also make sure like Lars said to disable "Capture history" by rightclicking the top tree, at the bottom (Catpure Design History)

Thank you for your videos, Lars. This was pretty cool. As a beginner to this software I'm excited to see what it can do.

Thanks a lot for this video. I think a video series on how to repair a variety of different STL files to customize them before getting them ready for 3d printing would be very helpful. It seems like there are a variety of tips and tricks that are google-able but not really consolidated into one series very well, and it is for sure a commonly searched problem. I suspect a series focused on that would get a lot of traffic, but I could be wrong. Anyways, thanks again for teaching, it was a very informative video.

Straight to the point and very helpful. Thanks!

I really appreciate all your videos. With your help I make career at work and can use my 3D printer in full capacity. Thanks for the great videos!

You know Lars, yours is hands down the best channel for Fusion360 I am spending my entire weekend with your uploads :-) playing catch up and working on my very first designs. We are all richer for knowing you and all your good works buddy!

Excellent and informative. I'm on a steep learning curve and your tutorials are great. Keep up the great work Lars.

Another way of getting a STL file into Fusion is to go to insert mesh and import it there. Of course you have to turn off design history before you can select convert mesh to brep. If the facets (faces, triangles) is too much you can switch to the mesh environment and use the reduce faces function and get it to less than 10,000 which is the preferred limit. Usually you can get away with the reduction depending on the model. Flat surfaces with triangles breaking them up sometimes can be automatically repaired just by deleting a triangle or two.

Every time I watched your video's, Lars, I learn something. Thanks!! Keep 'em coming!

I love this man!

Hello Lars! You solved my issue with this video, and then I subscribed immediately to your channel! Great job! Ciao from Italy.

Best video EVER on modifying and editing STL files! Thank you!

I’m learning fusion for 3d printing and I’m finding your videos very interesting and helpful! Thank you for your hard work!

Thanks for your videos. Very helpful.

This is definitely more what i'm looking for as I am using your tutorials to learn fusion so I can design my own things for 3D printing. I learn a lot from watching your videos and actually enjoy your content. Any other videos you could possibly do on STL files and 3D Printing techniques would be much appreciated. The knurling in #116 was also super helpful and made my life so much easier when modelling patterns. Thanks!

Lars is a good guy.Thank you for posting this

Very helpful for wanting to make small adjustments to STL's!

Very Helpful! I watch all your videos. Thank you Lars!

Great teacher! I've learned a lot from your videos. Really clear! Thanks from Italy.

Cheers Lars for this video. You just picked the right time to make this video. I was up to that „problem“ a day ago and postponed it due to the complexity. So, you made may day.... I do appreciate your vids

Excellent tutorial!

Very handy video. I had to make a small modification to a model I pulled down from Thingiverse and this helped a lot. The only thing I struggled with was the scale. I File|Opened the model and it came in at 10x the size. But I was able to do the BRep thing. If I imported the model, there was no BRep menu item, so I was stuck. In the end, I just used File|Open and scaled to 0.1, which was sufficient for what I needed.

You're a very good teacher, thanks for uploading this. Unfortunately, what I am trying to do is too advanced for me sadly.

thank you... this video is awesome

Really appreciate Ur vids mate helping me learn alot of new tips.1 question my laptop keeps saying my graphics card might not be optimal to run fusion.anything I can do to improve performance apart from setting graphics to simple.as soon as my design has multiple parts fusion keeps freezing and when I try to sketch new parts or select a function keep getting error msg.cant upgrade graphics card as its built into board.cheers mate

Hi Lars, (And everyone else)! Fusion actually has a really neat built-in feature. After converting stl's to solid bodies. Instead of having to select and extrude the whole face simply select one triangular face and then delete, Fusion then figures out all of the separate faces of on plane and turns then in one single face you can work with.

Thank you for all the help.....

Fantastic tutorial as always. Thanks Lars

Really awesome class here! Well done

For some reason I am still unable to use this stl that has been converted to a body using Mesh to BRep. I needed to use the shape of the STL as a tool to cut something. I am unable to select the converted shape in the combine menu, I cant figure out why.

Thanks! Informative as always. :)

Hi i have a stl file of a part and want to add 2mm in the middle of it as the overall part is short,how do i do that with out affecting the overall shape of the part ?

I manage to do some things thakns to you . Thank you sir.

Wow this was a fantastic vid!! Thanks :D

Hello Lars and thank you for all the fantastic and informative videos. Do you know what the limit is on the number of "facets" an STL file can have for Fusion to handle for a Mesh to BRep conversion?

Thanks for another awesome tutorial

Very good explanation how to tread STL models!

Great video. Unfortunately the stl that I have falls into too many triangles category. So I thought I would recreate it using it as a template but it came in as 15000mm by 9000mm instead of 150mm by 90mm is there any way to change this.

12:20 Is what I'm here for. Just need to make the shaft hole on this lathe chuck I found on cults3d smaller (who the hell thought that was a good name for a site?meh... shrugs lol). Anyway thank you so much! Ultra newbie here lol. This alone was like a needle and a haystack to find. So much easier to edit in Sketchup but I want to run with the big boys one day so fusion it is. (no disrespect to sketchup) What a sigh of relief!!!

really useful lars

I need to move two threaded holes, the same way. Is that done with mesh as well?

thanks Lars, your videos help a lot... in this case i had to find a solution to a minor yet important step, before inserting the .stl file, you need to select the "Do not capture design history." first :) if not, the B-Rep feature doesn't show (sorry if this was mentioned already)

If text was to added to a STL imported file would the surface triangles have to be changed to a proper model generated surface? I suppose for machining the answer would be yes, but if only 3D printing maybe not?

Its been a while since i watched thanks for the video love watching gotta catch up. Thanks lars

Hey Lars. Wasn't getting the Mesh to BRep option. Had to make sure the timeline/capture history was turned off. Don't know if you mentioned that or not in the video. Thanks for the help!

Is there a merge face command? It would be amazing if you could have fusion merge all connecting and coplanar faces into the same face.

I 3D print mostly figures that are circular, and since STL files are comprised of all triangles, is there a better format to export for 3D printing?

I forget which of these I commented on before about shrinking the mesh. I figured it out. I was trying to use a - like I would for extrusions and such, but I realized that anything less than 1 would work to shrink the mesh. 0.01 for example. Now to figure out how to merge it into my part....

Just wondering if you do commission work? There is a STL file Id like to gey professionally modded.

what do you do to save it? do you have to turn it back into something?

Nicely done video. I have one STL which has thousands of these. Feel like dumping that project.

Is that possible to automatize the smooth solid conversion into other clean model without triangles? Thanks so much I appreciate the tutorial, very helpful

really useful Thank you again

Hello, such a Lars, when I load the STL to Fusion 360, with dimensions that come by default in the STL of 100 mm x 100 mm x 5 mm, Adobe Fusion 360 resizes the model, or scales it automatically. When I'm going to print the piece in 3D, the measurements are resized 100%, if I reduce its size the circles where the screw threads change a bit. If the STL part passes through Fusion without affecting its size, it would be easier and faster to print parts.

Very nice vídeo

Is there a way to simply change the dimensions of a downloaded stl object to specific measurements?

So i made a drawing didnt save it but turned it to an stl but now want to modify it and i can load the stl into fusion set dont capture design history but cant convert to brep ?does not come up as a feature

fantastic! can the faces be merged before press/pull, or simply to clean things up? thank you!

Thanks - super useful. One question for you - when I import an STL file intended for 3D printing, make some modifications, then re-export it, the size is all wrong. Also while working in Fusion 360 if I measure the model, the dimensions are incorrect. Why is this and how to I fix it please?

Thank you Lars, another great video. Is there any app on Fusion store that will do all the cleaning of .STL model?

Lar's I am so sorry for missing today's stream internet during bad weather well just doesn't work. I am so glad for posting afterward of the stream. Again you have shown tricks to working with meshes. Have you ever considered doing videos that last 90 minutes and selling them? I would be one that would support you in doing so lol. Thanks again my friend 👍

12:10 Click on the driven dimension and add +10. That way, it's perfect. Fusion rounds sketch dimensions.

I was literally about to email you about this, thanks

So if I modify an still file and it has a hole if I do not convert it like you did here it will not be a smooth round hole when printed? Any contour if not smoothed will be a bunch of facets when printed?

thx very nice

Hi Lars thanks for all your Videos I have leaned so much about fusion I am having some trouble with this STL file I am trying to make some changes to. I've uploaded it to my library and i have gone into my preferences and selected the Mesh work space box but when i right click on the drawing I don't have the Mesh to Brep in the menu! do you have any idea how I can find it?

When you performed the Replace Face @ 20:58 it seemed to reduce the # number of facets throughout the model... not just on the faces you were working on

Hi Lars, Great video! Very helpful, I have a question regarding my issue. I need to modify one STL file because one part of it is too narrow. Do you have any suggestion how to do that, or maybe you have a video on where I will find the guide. Thanks a lot!

This is OK but I'm trying to do the same with a .obj file... The file is quads not triangles but I can't use the geometry to set sketch planes or pick points...it's just there as a body

tried this by following another youtuber. worked kinda good(tried to cut out a logo on a phonecase). then thing is that well it cut. but now i have empty space between bottom and top(inside and bottom of the case). meaning the model is open where the cutout suppose to be :(

This is one of the things in still do in Freecad it's simply much better at it. It's actually something I've done a video on.

Trying this on a thingiverse stl as you do commands & options in the vid. Mine always also selects faces behind the plane I'm working on.

while trying to import a tube chassis stl. file from bendtech to fusion the dimensions are 10x overscale. after converting stl model to brep and changing facet count to achieve brep i try to scale dimensions of the chassis and due to the size of file and number of components fusion crashes, any help. im trying to create bracketry for the frames i design in bendtech using fusion.

Btw if it helps anyone, *_mesh to brep option_* does *_NOT_* appear if history is turned on. Why? I don't know and I don't care lol. Saving the hair on fellow newbies heads one day at a time! XD

OK now I have to comment again. I gave up on this video and went looking for something else and I found Lars Live #75. Yes I am a subscriber and follow you but I still think you gloss over some points. BUT, in Lars Live #75 you make it clear you know what Thingiverse is and who uses it. You also show how to down load a sty file etc etc. So I am headed back there and let you teach me what I need to know. But do remember we 3d printer guys use Fusion 360.

My pc would burn up doing this... Is there a way to reduce triangles in fusion?

Lars, your videos are amazing, but I am having a problem following along due to the version differences? I cannot get the Mesh workspace to appear using Fusion 360 student ver 2.0.9512. In the Preferences screen, there isn't a Preview option but a Preview Features which has TON more options and I selected the Mesh Workspace option and then apply and save, but I didn't get the Mesh Workspace option in the dropdown in the upper left hand section and I didn't have the Model Workspace either so I wasn't able to follow along because I didn't have the option I need. I closed and re-opened Fusion just in case and still the workspaces were not available. Any suggestions or other video to watch? (I will eventually watch all of your videos! LOL) PS, I do have the history disabled

10:52 please tell me why my line points won't snap to the edge corners (ends where those 2 lines meet). it only wants to snap to grid points.

Good Video!

All BREP surfaces are getting converted into triangles during transfer to most 3d printers anyway. In fact, I believe ALL 3d printers convert the objects to triangles at some point in the translation process, because triangles are the most basic shape and easiest for the software to deal with. Only certain CNC or Lazer cutting machines read B Spline curve information directly as machine language. All other software work under the hood with triangles. All Fusion is doing here is hiding the triangulation of the surface so you don't have to deal with them directly. That's all.

At 15:15 you say that having these triangles is going to show up in 3D printing. That got me wondering which workflow you use to 3D print. For example Cura will only accept mesh based fileformats and thus will always suffer from this inaccuracy. Even Simplify3D removed the option to use g2 and g3 commands. Am I missing something?

Hey Lars. I'm a novice using the Fusion 360 version 2.0.10813, Active Plan: Fusion 360, Personal, macOS 10.15.7 and have no problem importing an STL file as a mesh and turning off history; but after that I never get an menu item "Convert to BREF" or similar option; even after hours of trying. Any ideas?

Very helpful! Does anyone know where does Lars accent comes from? In particular when he says Patch or Change or Watching, the sound for ch, is it from a specific accent or area? It's just a little different from the people I usually listen to. I'm just curious because I am an Italian speaker and from my specific city we have that sound in our accent and other people usually don't lol, and I never heard it from english speaking people...

thakss 😍😍😍 good

Thanks

Thank you so much. I knew you'd make that look easy. For some reason I was having a hard time with it. Wish I could give more than one "Like"!