I am not at all suggesting that precision modeling cant be done in blender nor am I saying they absolutely should learn another application. I am sorry if I came across a bit vague in my reply. The scale in CAD is the scale and CAD and that’s just sort of the way it is Blender, just like Maya, or any other polygon modeling application typically uses arbitrary values to determine scale within The application which means that if I transfer the file from blender to Maya, the whole scene could be much larger or much smaller. Cad maintains information like dimensions. Really if the purpose is machining you should really stick to cad though. It’s not always simple but it can be done. In terms of machining, not every machining program can take certain types of files but if you really need to there are options. Just make sure that your resolution is extremely high before you export and if you are 3-D printing, most 3-D printing Services take OBJ files just fine, or if you are printing it yourself, a lot of times the printer software can take an OBJ, or DAE file. If you were trying to 3-D print parts or machine parts, it is still fully Possible. Blender is a powerful tool for its intended purpose. I will say that I personally feel some people take that too far and sacrifice certain things like typology and edge flow for the sake of being non-destructive but that by no means means that it’s necessarily wrong. Blender, generally speaking, has done a pretty good job of maintaining a pretty non-destructive workflow. ![]() Because nothing is permanent or committed in CAD it works well because you can always go back and change something in your history without undoing anything that happened after it in your history but the downside to that is, certain types of modeling simply aren’t possible. ![]() Theoretically, some thing like that could be implemented into blender down the line and they do have some similar tools but they are nowhere near as put together or advanced as a proper CAD application and really there isn’t an overwhelming need for them. Curve systems can be very limiting because the operate on lifts and extrusion as opposed to controlling each vertex individually like blender.
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