3dsMax - How to remove interior edges of a selected polygon group while keeping borders intact?

igi · Jan 2017

How to remove interior edges of a selected polygon group while keeping borders intact in 3dsMax? I can do it by a single command in Modo but couldn't find any tools or scripts that does it in 3dsMax.

Eric Chadwick · Jan 2017

One way... delete the polygons, cap the hole.

ridger_drift · Jan 2017

Control + Backspace

Eric Chadwick · Jan 2017

ridger_drift said:

Control + Backspace

Nope, that'll remove the border too. You would have to deselect the outer edges first.

Swordslayer · Jan 2017

Eric Chadwick said:

ridger_drift said:

Control + Backspace

Nope, that'll remove the border too. You would have to deselect the outer edges first.

Why would it? Select the planar set of faces (for example with By Angle active), CTRL+SHIFT+click the edge subobject icon to select all the edges shared by the faces except for borders, CTRL+Backspace remove them.

igi · Jan 2017

Swordslayer said:

Eric Chadwick said:

ridger_drift said:

Control + Backspace

Nope, that'll remove the border too. You would have to deselect the outer edges first.

Why would it? Select the planar set of faces (for example with By Angle active), CTRL+SHIFT+click the edge subobject icon to select all the edges shared by the faces except for borders, CTRL+Backspace remove them.

yup, this worked. The key is select edge subobject with CTRL+SHIFT button. CTRL button alone deletes entire selection including other polys connected to vertices of the initially selected edges. Thanks.

igi · Jan 2017

okay it seems CTRL+SHIFT edge subobject selection doesn't yield desired result for planes which is majority of the cases I intend to use. Is there any other workarounds or do I have to live with it? Not a big deal but still.

Swordslayer · Jan 2017

Should work if you press just Backspace (so as to not remove the border verts) instead of CTRL+Backspace. Or with all the edges selected, switch to border mode, deselect everything. Or select border, invert edge selection.

igi · Jan 2017

Man now I feel dumb. Removing interior edges from a plane is plain straightforward. Selecting all edges and pressing BACKSPACE worked. Thanks again.

Swordslayer · Jan 2017

No worries, sometimes brain just won't cooperate

Btw. apart from CTRL+SHIFT clicking another subobject mode to convert one selection to another, borders excluded, there's also CTRL+clicking (select all the edges/verts/etc. used by the selection) and SHIFT+clicking (select just the border).

igi · Jan 2017

Cool beans. SHIFT-click will definitely improve my workflow, thank you.

Crimzan · Jan 2017

Not sure here because I can't test it currently, but there should be some leftover vertices on the crossings where the edges have been.

Not sure, but I guess it doesn't hurt to double check. Will delete my post / edit if it turns out to be false.

Revel · Jan 2017

@Swordslayer - is there any Maxscript command for convert face to border edge only (shift click) and to internal edge only (ctrl+shift click)?

Mark Dygert · Jan 2017

Why remove them? You are leaving that triangulation up to chance? Or do you want to get rid of them so you can re-route them another way?

Swordslayer · Jan 2017

Crimzan said:

Not sure here because I can't test it currently, but there should be some leftover vertices on the crossings where the edges have been.

Not the case, this is not editable mesh where invisible edges permit this behavior, vertices in editable poly can exist only a) when there's at least two edges connected to them, b) as isolated verts where nothing at all is connected to them.

3dsMax - How to remove interior edges of a selected polygon group while keeping borders intact?

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