Unable to pattern a shell design - program always crashes

Forum|Forum|3 years ago
March 20, 2023
2 replies
2876 views

Hello, I have not used CAD in a while and was trying to copy a plant tray I had at home to get back to ease myself back into the program; however, I have run into problems. Perhaps I am using the pattern feature incorrectly, but when creating a new pattern based on simple extrusions and a chamfer, the program runs quite slowly.

As a result of this, when I try to create a shell pattern creo always crashes and is unable to complete the action. Does anyone have any advice for me please? I have attached the file.

Thanks.

1_plant_tray_test.zip

General

tbraxton

22-Sapphire II

You are using an educational license so most here will not be able to open the file. Post a picture of the plant tray and someone may offer a method to create the geometry.

If you need help with your specific model, then post pictures of the geometry and the model tree so we can see what you are doing.

I

IS_9417601

Author

1-Visitor

Thanks for the reply, I did not know this was a thing. The design is a 13x13 cell plant tray. I've attached two renders plus the model tree of what I currently have so far.

In render 1, the cell bottom centre nearest to the user is what the tray is meant to look like. Unfortunately I am unable to "shell" the other cells though. Interestingly I am able to perform the procedure manually once, but when I try to do it manually/through pattern a second time, the program will crash.

Thanks 🙂

tbraxton

22-Sapphire II

Here is one way to do this very quickly using two bodies and patterns. The first pattern is of the center point of each "cell". The second pattern is of a body that defines a unit cell. The cell body is used to cut out the tray web plate and then the cells are merged to the plate. The only "trick" is to select all of the open faces in the cells when creating the shell feature. This shell could be reference patterned with a more sophisticated modeling approach.

See the video for process and features:

(view in My Videos)