I haven't gotten deep in the digital modeling side of things. If its minor scale changes I can do it in my slicer software but that is a bandaid approach. If I developed them model I go into FreeCad and change the scale there.
3d FDM Print vs Resin Print
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1. What 3D modeling app you're using.
2. What slicer you're using.
Slicer's typically have a scaling tool that uses a bounding box to display the "as-is" three dimensional measurements of the part to be printed. You can take the ratio (1/72:1/96) and enter one measurement, and the other two should update globally. This is easily performed in ideaMaker.
Free from Raise3D: Powerful 3D Slicer Software: IdeaMaker by Raise3D
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I do the same as Coryhenry, if I need to scale for my model than I do it in my design program.
For that I use Fusion 360.
But as a quick solution I did scale some models in my slicer, some that I found on thingiverse.
As a slicer I use Cura.
I am not a big fan of it but it is possible.
But keep in mind that your print might schrimp when it cools off.
So you might print your model a little bigger than desingned.Comment
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Got some more work done on the FDM hull. The MSD is just about the right size. I thought I was going to have tons of room in this cylinder but the missiles cut that prospect short! The battery will be in the bow and two servos will also be run wet in the bow. The FDM hull is proving easier to work on and less brittle. For scale the ballast tank is 10inches long.
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Got another chunk of work done on the FDM hull. The upper is almost complete with the retract mechanism custom made in Bob's design. I also got the connection complete around the missile tubes and the drive train is almost complete.
The retract mechanism was a bear to design and create but it works!
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