on my CR10S while my A1 was printing the cup. I did not use supports on the CR10 print because it would have added 9 hours to the print, but will when I print it on my A1 today. The splash base printed fine but once it was 90% into the print it broke where the long pour section connects to the base of the splash. It is hollow in there where it broke and is likely a weak spot and could easily break again once printed with the A1 once assembled if a person is not careful. What is the best way to strengthen that area. The print was done with 15% infill. Can I add strength in just that area or change the infill percent in the whole “pour” of the splash using the slicer?
Thanks
What type of infill are you using? I’d recommend honeycomb as it is a non-crossing infill with good bending resistance.
You could also add an extra wall.
If you only want to modify only the center, right click on the model, add a modifier (cylinder), the size and move to encompass the are you want to modify and the use the “object” settings to modify only in that area.
Thanks for the quick reply. I was using Cura and used “Cubic” the default for the infill. I appreciate the instructions on adding a modifier as I knew you could do something like that but have never had to do it before. Do you think I should increase the percentage of infill too? Like to 25%?
Thanks
I think the most important change is to go for a non-crossing infill. It may not matter much on the CR10, but since the A1 is fast, its forces on - and hence moments from - the “speedbumps” of a crossing infill can kill a print, even with PLA.
While doing that, you should also make sure that all your surfaces are set to non-crossing paths. Most are monotonic by default (good), but there’s one that is usually set to rectangular (evil speedbumps). Can’t show as I am travelling atm.
A 25% infill should work as well, but I do not think that you need to go so high on a display model. Especially with honeycomb as that already imparts more material than an equally spaced Gyroid pattern.
Depending on the number of walls you have set, just increasing that by 1 may also add quite a bit of strength.
As for modifiers, I use them extensively in Studio and Orca but am no longer firm in Cura. When I used ot, it did not have modifiers.
Thanks for the added info. In the end based on printing time increase was only about 15 minutes, I added 1 wall and increased the infill to 25% using the honeycomb pattern with supports set. It is printing now and looking good. I believe it will be plenty strong in that area now. I guess the designer could have made that area bigger/wider and I guess I could too in a 3D design software. I use DesignSpark Mechanical as opposed to Fusion 3D based on the crippled license for makers and the tie to the cloud. I will play around with the modifier in my spare time today. I also have an MK4 and use PrusaSlicer but that too is a recent change from Cura.
Thanks again!
I think you may be right as the one I printed yesterday broke in the same exact spot when I removed the supports. I will try again with 4 or 5 walls and if that doesn’t work I will use a different model as there are a few others out there. For some reason there is a weak empty spot right in that area.The reason I chose this one was it had the shortest print time.
Thanks
I will try again with 4 or 5 walls and if that doesn’t work I will use a different model as there are a few others out there. For some reason there is a weak empty spot right in that area.The reason I chose this one was it had the shortest print time.