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I am a game programmer and I am trying to learn 3D Modelling by doing my own art for games. So I run into this problem:

I created this model using a Rectangle. Now, I want to give it more height. I am trying to achieve what this picture shows

I tried using extrude, but it does not do exactly what I need to do. This picture shows the results

I need the bottom of the box to be flat, so it will produce a box with a part of it missing. Any ideas how to do this? I hope I made what I need to do clear. Note that I am a beginner in 3ds Max.

Thanks in Advance,

Jack

  • Hi Jack, Welcome to GDSE. Thanks for your question, it's pretty clear what you're trying to achieve. Most designers here are not really into 3D, but there are some around, so it might take some time to get an answer. Keep contributing and enjoy! See help center for more info and help. – PieBie Dec 14 '15 at 12:59
  • There is a proposal (future stackexchange site) dedicated to 3D, called 3D Graphics. Your question matches its scope 100%, have a look at it. – Nick Roz Jul 27 '16 at 15:26
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Well, if this is an Editable Poly, presumably you are on the halfway.

Use Extrude first, then switch to the front or left view, then select all the vertices which belong to the boottom of object and press Make planar button in the scroll Edit Geometry

Nevertheless, Extrude command won't give exactly what you want. Since your surface is not planar Extrude will not create a box. So the better sequence of commands would be:

  1. Switch to an Element sublevel in modyfier and copy element by holding Shift and dragging it down simultaneously. Choose Clone to Element

Copying element

  1. Choose new element (at bottom), switch to Polygon sublevel, click Make planar by and Flip normals (in edit polygons scroll)

Making element planar and flipping polygons

  1. Switch to Border sublevel, select both porders and press Bridge

Bridging

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