Accurate alignments possible?

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 From:  Teddy
7764.1 
I'm trying to rough out my 3D printer design in MoI, and still frustrated by my inability to precisely move items to where I want them.

For instance, my first part was creating the profile of the extruded aluminum I'm using. Because the center is hollow, I can't move it by the center (from it's end profile), instead I have to grab a filleted edge which causes it's own issues trying to snap it to another object.

I still would like a way to select an object, and move it precisely by entering coordinates, either by it's volumetric center or select a point on the object and have the ability to type in coordinates where the object should relocate based on the selected point.

Maybe I'm expecting more CAD functionality that what MoI was intended for.
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 From:  Michael Gibson
7764.2 In reply to 7764.1 
Hi Teddy - you can use the Transform > Move command to move an object precisely. That allows for more specific control over the positioning of an object than just dragging. Dragging is intended to be a quick shortcut for simple positioning.

To run it, select the object and run Transform > Move, then at the first prompt Moi will ask you for the base point which is the point on the object you want to locate. If you want to locate the center of the object's bounding box, you can at this stage push the "Bounding box center" button which shows up in the command options area here:



That button is provided to make it easier to grab the center of an object even if there does not happen to be any convenient snap point there.


> I still would like a way to select an object, and move it precisely by entering coordinates, either
> by it's volumetric center or select a point on the object and have the ability to type in coordinates
> where the object should relocate based on the selected point.

You are exactly describing the Transform > Move command here - it works by picking 2 points, first a point on the object (or the object's bounding box center by clicking the button for that option as shown above), then you pick a target point and you can either click that target point or type in coordinates for the target point just as you describe.

Please give that command a try since it does what you are asking about.


> Maybe I'm expecting more CAD functionality that what MoI was intended for.

It's there, it's the very first command under the Transform tools, it works the same as AutoCAD...


- Michael
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 From:  Karsten (KMRQUS)
7764.3 In reply to 7764.1 
Hello Teddy,

have also a look at the construction line functionality of moi to find theoretical snappoints:-)

Kind regards
Karsten
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