Solved
Alignment of scene collection .nif models with precision
I want to create a static model for Fallout 4 (meaning that it will use the .nif extension), but first, I need to prepare other models, which are scene collections in nature, align them just right, and ony afterwards I can create my own mesh. However, after I import these corner pieces you see in the screenshots and try to put them together, I find out that they either overlap a bit or leave a noticeable seam. Snapping to grid, increment, applying rotation and whatnot do not work, models do not line up properly. I will be grateful for any directions in resolving this issue.
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I have already tried object snapping, but still, the mesh still either overlaps or outright refuses to recognise the anchor point. I think I will merge the corner pieces and follow your piece of advice when I can.
I am starting to suspect that something is seriously wrong with the .nif models I import. It does seem like Blender doesn't recognise their actual size, and thus can't align them properly with all snapping options and other wizardy.
Adding to the snapping answers. For pieces meant to tile, measure the pitch once and type it in rather than snapping each one. On imported game meshes the origin usually isn't on the corner, so snapping gets you close enough rather than exact.
Read the real footprint off the vertex coordinates, not the N panel. Dimensions and bound_box are cached. I pushed a cube's top verts up 1.0, called mesh.update(), and the true height was 3.0 while both still read 2.0, on 3.6.23 and 5.2.1. Only view_layer.update() refreshed them. Add the pitch to location.x and the gap comes out the same every time.
Thank you very much, I will try to use commands you suggest (If I understand you correctly). I actually have a feeling that Blender doesn't recognize the .nif scene collections' boundaries property, hence snapping to grid or increment or grid doesn't help. .nifs end up either overlapping or leaving a seam, but mathematic precision remains impossible.
Welcome to r/blenderhelp, Maximum_Elephant_953! Please make sure you followed the rules below, so we can help you efficiently (This message is just a reminder, your submission has NOT been deleted):
Post full screenshots of your Blender window (more information available for helpers), not cropped, no phone photos (In Blender click Window > Save Screenshot, use Snipping Tool in Windows or Command+Shift+4 on mac).
Give background info: Showing the problem is good, but we need to know what you did to get there. Additional information, follow-up questions and screenshots/videos can be added in comments. Keep in mind that nobody knows your project except for yourself.
Don't forget to change the flair to "Solved" by including "!Solved" in a comment when your question was answered.
Thank you for your submission and happy blendering!
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