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this post was submitted on 07 May 2025
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I use freecad for mainly functional 3D Prints, many of which I sell on Etsy and eBay. You can see my designs here: https://www.printables.com/@16bitvirtual/models
As for how to do yourbunny. For the most part, you are falling into the biggest hurdle for FreeCAD. FreeCAD has constructing geometry which cannot interfere with the model. But it also means that if you aren't very specific with your design it will fail. For example with the Bunny you need to define in your sketch what you'd like to pad or pocket out.
Then you work on adding details
The constructor lines are why I love FreeCAD since in other software I had to be very specific on what I can add without voids being accidentally added into my model.
Yeah, constructor/construction lines rock. That's something relatively new in NX, too. I think with release 1921 or something. Hugely beneficial.
The lack of intersecting geometry is a big hindrance to the way I model things. Pads and pockets are something I've dealt with since probably NX 7.5, back around 2012. I'm not sure if I can change at this point.
For 2D things, I really like to make primary sketch for all my features. Maybe a second sketch for holes and slots. And my 3D models mostly start with customer data, and I extract surfaces from there. I define parting lines with shadow curves, and split my slides out with sheets normal to the target surface. I then extrude surfaces out along a vector to outside the envelope of the tool, trim them, and use a bounded plane to close it up. Sew into a solid body, and it's a slide. No sketches at all sometimes. But tons of intersecting geometries until the end. Then, adding vacuum, water, air, mounting holes. Seal grooves. Those usually take sketches.
I'm obviously not trying to do my job in FreeCAD, my company uses NX. But I dont think I can easily change my workflow just to do my personal stuff with it, since it is so radically different.
I like your models. It's nice you have a cohesive design for all your handheld display stands, so they'll all look good together.
How long did the bunny take in FreeCAD?